Product Description
Cast iron housing RC-61 75 HP ratio 1:1.46 PTO Rotary cutter Mower Gearbox with 1-3/8″ 6-spline input shaft
75 HP Rotary cutter gearbox with 1-3/8″ 6-spline input shaft and a gear ratio of 1:1.46. Cast iron housing is sealed to protect the gears and bearings. The mounting plate has four bolt holes spaced 5.5″ square. Ships without oil (16 oz of 80-90 W)
Gearbox has a piloted flange bottom to fit in a 5-5/8″ pilot hole in the mower/cutter deck.
| Model | Unit | RC-30 | RC-33 | RC-61 | RC-81 | |||
| Housing material | / | QT450 | ||||||
| Shafts material | / | 20CRMNTI | ||||||
| Gears material | / | 20CRMNTI | ||||||
| Seals | / | Triple lipped, spring loaded | ||||||
| Bearings | / | Tampered roller | ||||||
| Oil | / | EP-90-470z, | ||||||
| Horse CZPT | hp | 30hp | 45hp | 60-80hp | 100-120hp | |||
| Net weight | kgs | 16.5 | 19.7 | 33.5 | 43 | |||
| Ratio | / | (1).1:1. (2).1:1.93. (3). 1:1.71. (4). 1:1.46. | ||||||
Application:
Replaces CZPT gearboxes on 5′, 6′ and 7′ rotary cutters by these manufacturers: Worksaver, Hawkline, CZPT , WAC, Big Bee, LMC, CZPT Kutter, Midwest, Servis, Bush Hog, some Howse and others. Please check measurements for proper fitment.
GEAR MATERIALS
20CrMnTi/20CrMnMo for your choice
CASTINGS MATERIALS
Gray cast iron HT250 according to standard GB/T 1348-2009 Ductile iron QT450-10 according to standard GB/T 1348-2009 Cast steel ZG310-570 according to standard GB/T 5613-2014
SHAFTS MATERIALS
40Cr,45#,20CrMnTi,20CrMnMo for your choice according to your request.
POWER To ensure the correct use of the product we recommand to pay attention to the specifications mentioned on CZPT technical sheet.Consider also the input rotation speed,the CZPT input and the transmission ratios.Where the rotation or other working conditions are different,please contact CZPT CZPT technical department.
LUBRICATION
The reducer is usually supplied without lubricant.The recommended quantity of lubricant is indicated on CZPT catalogue and the first replaced must be done after 50-60 hours of running,then replaced after 600-800 working hours. The emptying of the gearbox should be made immediately after the working,with the oil still hot,in order to avoid the deposition of sludge.Check frequently the oil level and top up the oil whenever necessary.
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Extensive use for agricultural machines
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