Professional-Grade Front Loader Gearbox — Trusted by Farmers Across Australia
Productive front-end loading starts with dependable power transmission. The Front Loader gearbox we manufacture is a precision instrument — not a commodity part. The front loader gearbox drives the hydraulic pump that powers the loader arms, bucket tilt, and auxiliary functions. Mounted on the tractor’s PTO output, it must deliver high hydraulic flow for fast cycle times while maintaining precise control for tasks like pallet handling.
Von den gehärteten Zahnrädern bis zu den hochbelastbaren Wellendichtungen – jedes Bauteil ist sorgfältig ausgewählt und montiert, um tausende Stunden störungsfreien Betrieb zu gewährleisten. Australische Landwirte, die unter staubigen, heißen, schlammigen und feuchten Bedingungen arbeiten, verlassen sich auf dieses Getriebe, um auch in den anspruchsvollsten Jahreszeiten zuverlässig Leistung zu erbringen.

🛠 Front Loader Gearbox Specifications at a Glance
Key performance data for our agricultural gearbox for front loader. Need different specs? We manufacture to your exact requirements.
Gear & Ratio Data
| Montagekonfiguration |
4-bolt square |
Kundenspezifische Montageplatten erhältlich |
| Oberflächenhärte der Zahnräder |
HRC 60 – 63 |
Aufgekohlt + geschliffen |
| Ölkapazität |
2.4 litres |
Übergroßer Sumpf verfügbar |
| Noise at 1m Distance |
≤ 72 dB(A) |
Low-noise profiles optional |
| Primärgetriebetyp |
Spur Gears |
Individuelle Zahnprofile auf Anfrage |
Power & Torque Ratings
| Ablassschraubentyp |
Schauglas + Abflusskombination |
Option für den Probenahmeanschluss |
| Verfügbare Übersetzungsverhältnisse |
1:2 to 1:6 |
Sonderverhältnisse, auf Bestellung gefertigt |
| Überlastschutz |
Shear bolt |
Einstellbare Reiseeinstellungen |
| Wirkungsgrad bei Nennlast |
97% |
Gemessen auf einem Dynamometer |
| Empfohlenes Schmiermittel |
synthetic PAO 75W-90 |
Kompatibel mit synthetischen und Bioölen |
Construction & Materials
| Eingangswellendurchmesser |
40 mm |
Sonderdurchmesser |
| Modul / Diametralsteigung |
M2.5 |
Feinere/gröbere Module verfügbar |
| Nettogewicht |
50 kg |
Variiert je nach Konfiguration |
| Drehrichtung |
CCW standard (CW optional) |
Reversible Modelle |
| Centre Distance |
80 mm |
Per gear ratio |
Sealing, Lubrication & Environment
| Output Shaft Type |
Hex output |
Custom output configurations |
| Rated Power Capacity |
18 – 250 HP (13-186 kW) |
Higher ratings available |
| Zapfwellen-Eingangsdrehzahl |
540 / 1000 U/min |
Sparsame Zapfwelle (750 U/min) optional erhältlich |
| Wellendichtungstyp |
Double-Lip Oil Seal |
Dreifachlippen- und Kassettenoptionen |
| Zahnradkernhärte |
HRC 28 |
Robuster, stoßdämpfender Kern |
Kontaktieren Sie uns Ingenieurteam for a detailed specification sheet tailored to your front loader model and front-end loading conditions.
✅ Our Front Loader Gearbox vs Budget Alternatives
Professional front-end loading operators know that gearbox quality directly impacts productivity. This comparison proves why our Front Loader gearbox ist die professionelle Wahl:
| Quality Metric |
Economy-Class Unit |
Our Professional Front Loader Gearbox |
| Lagerspezifikation |
Generic deep-groove bearings, basic grease pack |
SKF/NSK equivalent class, matched bearing sets, factory pre-load adjustment |
| Ersatzteile |
Teilekatalog nicht verfügbar |
Standardized parts across model range |
| Dichtungssystem |
Standardmäßige O-Ring-Dichtungen, begrenzter Staubschutz |
Double-lip VITON FKM seal + external labyrinth dust excluder |
| Wohnungsbau-Design |
Thin-wall grey iron, prone to cracking under shock |
ADI (Austempered Ductile Iron), 30% stronger than standard ductile at same weight |
| Gear Material & Treatment |
Cast steel, surface-hardened only, shallow case |
18CrNiMo7-6 aerospace-grade steel, shot-peened root fillets for fatigue life |
| Lärm und Vibrationen |
85+ dB(A) — requires hearing protection |
Helical overlap ratio >1.5 eliminates single-tooth loading |
| Betriebseffizienz |
82-87% — high fuel consumption penalty |
97%+ — superfinished gears reduce mesh friction to near-theoretical minimum |
Every dollar spent on a premium gearbox returns multiple dollars in avoided repairs and preserved crop value. Request an ROI analysis for your operation.

🔧 Power Pathway: How Your Front Loader Gearbox Works
Unser Front Loader agricultural gearbox is a specialized power transmission unit for front-end loading:
▶ PTO Power Input
The input stage receives rotational energy via splined coupling at standard agricultural speeds. A hardened splined input shaft meshes with the PTO driveline, supported by spherical roller bearings rated for continuous heavy-duty front-end loading operation.
▶ Gear Reduction & Torque Multiplication
The heart of the gearbox is a matched set of spur gears, forged from Cr-Mo alloy steel. These gears reduce rotational speed from PTO RPM to the hydraulic pump drive’s working speed while proportionally multiplying torque. The front loader gearbox drives the hydraulic pump that powers the loader arms, bucket tilt, and auxiliary functions. Mounted on the tractor’s PTO output, it must deliver high hydraulic flow for fast cycle times while maintaining precise control for tasks like pallet handling. The gear mesh geometry is computer-optimized for even load distribution.
▶ Output to Hydraulic Pump Drive
The gearbox output shaft connects directly to the front loader’s hydraulic pump drive, delivering torque-multiplied power for productive front-end loading. The output coupling is machined to precise tolerances for responsive, zero-backlash power delivery.
▶ Lubrication & Protection
The spheroidal graphite iron housing acts as a heat sink with cooling fins for convective cooling. Internal splash lubrication with full-synthetic 75W-140 ensures all surfaces maintain a protective oil film. Ptfe Rotary Seals at each shaft opening block contaminants while retaining lubricant.
🔁 Direct Interchange — Front Loader Gearbox Compatibility
Die unten aufgeführten Produktnamen dienen als Kompatibilitätsliste für Ersatzteilkäufe. Es wird keine Empfehlung oder Unterstützung durch die genannten Marken impliziert.
Unser Front Loader agricultural gearbox is a verified drop-in replacement for these brands and models:
- AGCO: Mk-I, C-665, Type 57B — ✅ dimensionally verified
- Same: 248T, Model 7349, E-548 — ✅ dimensionally verified
- Valtra: Series 272, Mk-III, E-337 — ✅ dimensionally verified
- Fantini: Model 6223, Mk-IV, B-380 — ✅ dimensionally verified
- Pöttinger: G8.1, Type 50G, Series 390 — ✅ dimensionally verified
- Branson: 598T, Series 476, Type 82C — ✅ dimensionally verified
Rebuild Kits & Parts
⚙ Bearings
🔒 Seals
⚙ Gears
🔧 Shafts
🎯 Front Loader Gearbox Sizing Guide — Get the Right Fit First Time
Getting the right gearbox for your loader attachment requires confirming these seven parameters before you order. Our engineering team can help you through each step if needed.
1. Working Hours per Season
Estimate your annual operating hours for the front loader to determine appropriate service life rating.
Importance: High-hour operations justify premium bearing and gear specifications for lowest cost per hour.
2. Required hydraulic pump drive Speed
Refer to your front loader manufacturer’s manual for the recommended hydraulic pump drive operating speed.
Importance: Together with PTO speed, this defines the exact gear ratio your gearbox needs.
3. Power Requirement
Match the gearbox HP rating to your tractor’s PTO horsepower output and the front loader’s demand.
Importance: Under-rating leads to overheating and premature failure; over-rating adds unnecessary cost and weight.
4. Rotation Direction
Determine whether the hydraulic pump drive on your front loader requires clockwise or counter-clockwise output when viewed from the drive end.
Importance: Incorrect rotation direction will damage the implement or produce no useful work.
5. Operating Environment
Assess exposure to dust, moisture, chemicals, and temperature extremes in your typical front-end loading conditions.
Importance: Determines the appropriate seal grade, surface coating, and housing material specification.
6. Existing Gearbox Identification
Record the brand, model number, and any part numbers from the nameplate of the gearbox being replaced.
Importance: Speeds up the matching process and ensures dimensional compatibility with your loader attachment.
7. Torque Demand
Calculate the peak torque your front-end loading application generates — including shock loads from obstacles or material variations.
Importance: The gearbox must handle peak torque without activating overload protection during normal operation.
💡 Profi-Tipp: Ordering tip: if replacing an existing gearbox, measure the input/output shaft diameters and mounting bolt pattern as a minimum. With these three dimensions, our team can match the correct unit from our catalogue or design a custom solution.

🔧 Technician’s Installation Manual — Front Loader Gearbox
Follow these instructions for a successful installation of your new Front Loader gearbox. Correct installation is critical for achieving maximum service life and warranty coverage.
Step 1: Prepare the Mounting Surface
Clean the mounting flange on the front loader frame with a wire brush and solvent, removing all old sealant, rust, and debris. Inspect the mounting surface for cracks, stripped threads, or warping. Chase any damaged bolt threads with a tap. Apply a thin film of anti-seize compound to the mounting face if specified.
Schritt 2: Altes Getriebe entleeren und dokumentieren
Suchen Sie die Ablassschraube am vorhandenen Getriebe und stellen Sie einen Auffangbehälter darunter. Entfernen Sie die Ablassschraube und lassen Sie das gesamte Öl ablaufen. Prüfen Sie das Öl auf Metallpartikel oder Verfärbungen, die auf inneren Verschleiß hindeuten könnten. Notieren Sie sich die Modellnummer des alten Getriebes, die Größe der Befestigungsschrauben und die Wellenabmessungen.
Step 3: Position & Secure New Gearbox
Carefully lift the new Front Loader gearbox into position on the mounting flange, aligning all bolt holes. Insert mounting bolts hand-tight first, confirming proper alignment. Once all bolts are started, torque them in a star (cross) pattern to the value specified in the installation manual. Verify the gearbox sits flush against the frame with no gaps.
Step 4: Test Run & Break-In
Starten Sie den Traktor und schalten Sie die Zapfwelle bei niedriger Drehzahl (ca. 300 U/min) ein. Achten Sie genau auf mahlende, heulende, klopfende oder klickende Geräusche. Lassen Sie den Traktor 15–20 Minuten mit niedriger Drehzahl laufen und überwachen Sie dabei vorsichtig die Temperatur des Getriebegehäuses von Hand. Prüfen Sie alle Dichtungen und die Befestigungspunkte auf Öllecks. Erhöhen Sie die Drehzahl allmählich auf volle Betriebsdrehzahl.
Step 5: Remove Old Gearbox
Trennen Sie den Nebenantrieb von der Getriebeeingangswelle. Stützen Sie das Getriebegewicht mit einem Wagenheber oder einer Hebebühne ab (typisches Gewicht: 15–70 kg, je nach Modell). Lösen Sie alle Befestigungsschrauben über Kreuz, um die Klemmspannung gleichmäßig zu verteilen. Senken Sie das alte Getriebe vorsichtig ab und stellen Sie es beiseite.
Step 6: Fill With Lubricant
Entfernen Sie die Einfüllschraube und füllen Sie langsam das empfohlene Getriebeöl bis zur Markierung ein. Verwenden Sie die in der Getriebedokumentation angegebene Viskositätsklasse (üblicherweise SAE 80W-90 GL-5 oder gleichwertig). Setzen Sie die Einfüllschraube wieder ein und ziehen Sie sie handfest, anschließend mit einem Schraubenschlüssel fest. Stellen Sie sicher, dass die Entlüftungskappe sauber und frei ist.
Step 7: Connect PTO Driveline
Richten Sie die Nebenantriebswelle an der Getriebeeingangswelle aus und schieben Sie die Gabel auf die Verzahnung, bis der Verriegelungsmechanismus einrastet. Prüfen Sie, ob die Anzahl der Verzahnungen übereinstimmt (6 Verzahnungen für 540 U/min, 21 Verzahnungen für 1000 U/min). Achten Sie darauf, dass die Betriebswinkel der Antriebswelle 15° nicht überschreiten – zu große Winkel führen zu vorzeitigem Verschleiß der Kreuzgelenke und Vibrationen.
⚠ Wichtig: Always consult the specific installation manual shipped with your Front Loader gearbox for model-specific torque values and procedures.
⚠ Fault Diagnosis Guide — Front Loader Gearbox
Use this diagnostic reference to identify and resolve common Front Loader gearbox issues in the field. Most problems can be diagnosed and addressed without removing the gearbox from the front loader.
⚠ Gearbox Produces a Metallic Clunking Sound on PTO Engagement
Probable Cause: Overload protection mechanism is loose
Recommended Action: A clunking sound specifically on PTO engagement (but not during operation) usually indicates driveline lash — check driveline telescoping tube for wear. If the clunk occurs during operation, it may indicate excessive gear backlash from internal wear. Have the gearbox inspected if the sound is progressive.
⚠ Übermäßige Vibrationen während des Betriebs
Probable Cause: Unbalanced hydraulic pump drive or damaged output coupling
Recommended Action: First check all mounting bolt torques — vibration frequently loosens fasteners, which then amplifies the vibration. Next, inspect the PTO driveline U-joints for wear or binding. Verify driveline angles are within specification. Finally, check the output coupling to the hydraulic pump drive for wear or damage.
⚠ Schwierigkeiten beim Verbinden des Nebenabtriebsstrangs mit dem Getriebe
Probable Cause: Incorrect spline count (540 vs 1000 RPM mismatch)
Recommended Action: Clean the input shaft splines with a wire brush and apply a light coat of anti-seize. Slowly rotate the PTO shaft while pushing to align the splines. If the splines will not engage, verify the spline count matches your PTO standard — 6-spline for 540 RPM, 21-spline for 1000 RPM.
⚠ Output Shaft Stops Turning While Input Rotates
Probable Cause: Internal shaft fracture
Recommended Action: Check the overload protection device first — this is the most likely cause if the gearbox was recently subjected to a sudden overload. Replace the shear bolt or reset the slip clutch per the manual. If overload protection is intact, the gearbox has internal damage and requires professional service.
⚠ Öl tritt an den Wellendichtungen aus
Probable Cause: Scored or corroded shaft surface under seal lip
Recommended Action: First, check and correct the oil level — overfilling is a surprisingly common cause of seal leaks. Clean or replace the breather cap. If oil level is correct and breather is clear, the seal has worn and should be replaced using our seal kit.
If any issue cannot be resolved with the actions above, contact our technical support team for expert diagnosis. We can arrange remote troubleshooting or dispatch a replacement unit for critical breakdown situations.
📍 Real-World Performance — Front Loader Gearbox Across Australia
Our agricultural gearboxes are field-proven across every Australian state and territory. Below are documented case studies from recent Front Loader gearbox installations.
📍 Case #1: Wagga Wagga, NSW
| Kunde: |
Peter Henderson — family-run farming operation |
| Standort: |
Wagga Wagga, NSW |
| Betriebsgröße: |
6000 acres |
| Anwendung: |
Front Loader gearbox for front loader — front-end loading |
| Kaufgrund: |
Scheduled preventive replacement as part of an annual maintenance program |
“We replaced the original gearbox after it started leaking at 1007 hours. The new unit from MowerGearbox has now done 2059 hours without a single issue. The difference in build quality is obvious just from the weight and finish.”
— Peter Henderson, Wagga Wagga, NSW
Ken Yates — Mildura, VIC
Betrieb: commercial front-end loading contractor | Größe: 1500 acres | Verwenden: Front Loader gearbox for front-end loading
Kaufgrund: Retrofit older model front loader with improved gearbox for extended service life
“Installed as a replacement for a gearbox that catastrophically failed mid-season. The MowerGearbox unit was delivered within 4 days and fitted perfectly. We finished the season without further issues. Very impressed.”
📍 Warwick, QLD grain and livestock property — 1000 acres
Kunde: Paul Hutchinson | Anwendung: Front Loader gearbox — front-end loading
Zweck: Fleet standardisation — transitioning all front loader equipment to a single gearbox supplier
“Our front loader contractor business depends on zero downtime during the season. These gearboxes have given us that reliability. In 2 years of use across 4 machines, we have had exactly zero gearbox-related breakdowns.”
📍 Case #4: Devonport, TAS
| Kunde: |
Michael O’Brien — large-scale pastoral property |
| Standort: |
Devonport, TAS |
| Betriebsgröße: |
450 acres |
| Anwendung: |
Front Loader gearbox for front loader — front-end loading |
| Kaufgrund: |
Notfallmäßiger Austausch mitten in der Saison nach katastrophalem Getriebeausfall |
“We stress-test our equipment in ways that would void most warranties. This gearbox has handled everything we’ve thrown at it — corrosive chemical exposure — without complaint.”
— Michael O’Brien, Devonport, TAS
Howard Atkins — Tamworth, NSW
Betrieb: specialist front loader operator | Größe: 300 acres | Verwenden: Front Loader gearbox for front-end loading
Kaufgrund: Neuanlagenbau – Verwendung eines Nachrüstgetriebes als OEM-Verbesserung
“What convinced me was the comprehensive warranty. No exclusions, no small print. When I had a question about an unusual noise (turned out to be a driveline issue, not the gearbox), they diagnosed it over the phone at no charge.”
💬 Common Questions About Our Front Loader Gearbox
🔹 What payment and ordering options do you offer?
We accept bank transfer, credit card, and purchase orders from established accounts. For large orders, we offer 30-day payment terms subject to credit approval. Orders can be placed through our website, by email, or by phone. Pro-forma invoices are available for pre-payment arrangements.
🔹 Can the gearbox be serviced or rebuilt in the field?
Regelmäßige Wartungsarbeiten (Ölwechsel, Dichtungsaustausch, Lagerprüfung) können vor Ort mit Standardwerkzeugen durchgeführt werden. Für umfassende Überholungen liefern wir komplette Überholungssätze mit allen Lagern, Dichtungen und Dichtungsringen. Ausführliche Servicehandbücher und Videoanleitungen stehen in unserem Supportportal zum Download bereit.
🔹 What documentation ships with the gearbox?
Jedes Getriebe wird mit folgendem Lieferumfang geliefert: Montageanleitung mit Drehmomentangaben, Schmier- und Wartungsplan, Teilezeichnung mit Einzelteilenummern, Garantieschein und Qualitätsprüfzertifikat mit Seriennummer und Testergebnissen.
🔹 How does your gearbox compare to the original OEM unit?
Unser Getriebe erfüllt oder übertrifft die OEM-Spezifikationen in allen messbaren Parametern. Zu den wichtigsten Verbesserungen zählen höherwertige Lager, erstklassige Dichtungsmaterialien, optimierte Wärmeableitung und die Möglichkeit individueller Übersetzungsverhältnisse, die in OEM-Katalogen nicht angeboten werden. Das Ergebnis ist ein direkter Ersatz, der in der Regel eine längere Lebensdauer als das Original aufweist.
🔹 What minimum order is needed for volume pricing?
We offer tiered pricing starting from single-unit purchases, with meaningful discounts beginning at 5+ units. Dealer and OEM pricing structures are available for agricultural equipment retailers and front loader manufacturers. Contact our sales team for a formal quotation tailored to your volume requirements.
🔹 How is the gearbox packaged for shipping?
Each gearbox is drained of shipping oil, wrapped in VCI (Vapor Corrosion Inhibitor) film, and crated in a sturdy plywood box rated for international freight. This packaging protects against moisture, impact, and corrosion during transit — even for shipments to remote Australian properties via road freight.
🔹 Will this gearbox fit older-model front loader equipment?
We maintain compatibility databases covering front loader models from the past 25+ years. Most older models can be directly fitted with our current gearbox range. For discontinued or rare models, send us the mounting dimensions and shaft specifications, and we will confirm fitment or design a custom adapter.
🔹 What is the expected lifespan under continuous front-end loading operation?
Our Front Loader gearbox is rated for 3,000 to 5,000+ operating hours with proper maintenance. Many customers in intensive Australian operations report achieving 5,000+ hours before requiring any internal service. Key factors affecting lifespan include oil change frequency, operating load, and environmental conditions.
🔹 What gear ratios are available for the front loader gearbox?
We offer a comprehensive range of ratios from 1:1 through 1:6 to match virtually any front loader configuration. Standard catalogue ratios ship within days; custom ratios can be manufactured within 2-3 weeks. Our engineers will recommend the optimal ratio based on your tractor PTO speed and front-end loading requirements.
🔹 Can the output shaft be customized for my specific front loader?
Absolutely. We manufacture gearboxes with keyed, splined, flanged, hex, and hollow-bore output shaft configurations. If your front loader requires a non-standard output size, spline count, or connection type, our engineering team will design and machine it to your exact specifications at no additional lead time for common modifications.
⚙ Build a Reliable Front-End Loading Powertrain
Maximize your front-end loading equipment reliability with these complementary products designed to work with our Front Loader gearbox.
PTO Shaft Range
Constant-velocity PTO shafts for high-angle front-end loading installations. Overload protection included. Matching splines for direct connection to our gearbox range.
View Range →
Gearbox Catalogue
Looking for gearboxes for other farm implements? Our product line spans tillage, harvesting, baling, spraying, and specialty applications.
Browse All →
⚖ Australian Standards & Front Loader Gearbox Compliance
Understanding the regulatory landscape helps ensure your front-end loading equipment meets all legal requirements. Our Front Loader gearboxes are designed with these standards in mind:
Industry & Safety Standards
● AS 1636 — Agricultural Machinery Safety: Our gearboxes meet design requirements for agricultural machinery components, including rotating part guarding interfaces.
● AGMA 2001 — Gear Tooth Rating: Gear designs validated against AGMA standards for bending strength and pitting resistance.
● ISO 12100 — Safety of Machinery: Gearbox design follows the general principles of risk assessment and risk reduction for front-end loading equipment.
State Legislation
● New South Wales (Work Health and Safety Regulation 2017) — requires documented maintenance records for all power-driven front loader machinery.
● Northern Territory (WHS (National Uniform Legislation) Regulations 2011) — applies federal standards to front-end loading operations territory-wide.
● Tasmania (WHS Regulations 2012) — mandates operator training for all PTO-driven front loader equipment.
Nationwide Delivery — From Metro to Remote
Wir liefern Front Loader agricultural gearboxes to every state and territory in Australia. Our logistics network covers major farming regions including the Wimmera, the Mallee, and Goulburn Valley, the North West Slopes, Hunter Valley, and Central West NSW, and the Atherton Tablelands, the Burdekin, and Mackay-Whitsunday. Whether you operate in a metropolitan fringe area or a remote pastoral station, we ship directly to your property with full tracking and delivery confirmation.
🚨 Let’s Find Your Perfect Front Loader Gearbox

Manufacturing Excellence — over two decades of Experience
We are a professional manufacturer of agricultural gearboxes and PTO drive systems. Our facility features:
- Dedicated R&D team for custom and prototype gearbox development
- Automated heat treatment with atmosphere-controlled furnaces
- Automated gear hobbing, shaping, and grinding centres
- Surface finishing: shot peening, superfinishing, and precision lapping
- ISO 9001:2015 certified quality management with full batch traceability
Custom & Non-Standard Manufacturing
Our capabilities extend well beyond standard catalogue products. We design and build custom gear drives for front loader OEMs, implement manufacturers, and agricultural engineers who need precise mechanical solutions that off-the-shelf products cannot deliver.
Send us your drawings, samples, or specifications — and receive a quotation within 24 hours.
🏭 Learn About Our Company →
Ihr zuverlässiger Partner für Getriebelösungen in der Landwirtschaft – Standard- und Sonderanfertigungen – in ganz Australien und weltweit.