RK Tractors RK37S VS Challenger 65 specs comparison

RK Tractors RK37S
General InfosMake | RK Tractors |
Model | RK37S |
Country | United states |
Production | From 2017 |
Price | - |
Tractor type | Compact Utility tractor |
Fuel | diesel |
Service repair manual | RK Tractors RK37S Manual |
Dimensions, sizes and tires
AG front tires | 7-16 |
AG rear tires | 11.2x24 |
Lawn front tires | 28x8.5-15 |
Lawn rear tires | 28x8.5-15 |
Indus front tires | 10-16.5 |
Indus rear tires | 43x16-20 |
Weight | 3065 lbs or 1390 kg |
Length | 126 inches [320 cm] |
Width | 53.5 inches [135 cm] |
Height | 94.5 inches [240 cm] |
Wheelbase | 64.5 inches [163 cm] |
Ground clearance | 12.8 inches [32 cm] |
Turning radius | - |
Rear tread size | - |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 100.2 ci or 1.6 L |
Cylinders | 3 cylinders |
Engine power | 37.4 hp or 27.9 kW |
Engine RPM | 3000 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | common rail direct injection |
Fuel tank size | 9 gal or 34.1 L |
Oil capacity | - |
Oil change | - |
Starter motor | electric |
Starter volts | 12 V |
Parts And Accessories | RK Tractors RK37S Parts |
Batteries number | 1 |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | negative |
Charging system | alternator |
Charging Volts | - |
Charging Amps | 55 amps |
Trans system | - |
Trans type | syncro shuttle |
Trans gears | 12 forward and reverse |
Clutch system | - |
Wheel drive | 4x4 MFWD 4WD |
Final drive | - |
Steering | power |
Braking system | wet disc |
Cabin type | Two-post ROPS |
Differentiel lock | - |
System | - |
Valves | 1 |
Pump flow | 6.4 gpm or 24.2 lpm |
SVC flow | - |
Steering flow | 4.6 gpm or 17.4 lpm |
Tank capacity | - |
Hydraulic pressure | - |
Max flow | 11 gpm or 41.6 lpm |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
Claimed power | 30.2 hp or 22.5 kW |
Real power | - |
Engine @RPM | - |
PTO Clutch | electro-hydraulic |
Rear PTO | independent |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | - |
Hitch system | position control |
Rear hitch | I |
Rear hitch lift | 2646 lbs or 1200 kg |
Front hitch | - |
Front hitch lift | - |

Challenger 65
General InfosMake | Challenger |
Model | 65 |
Country | United states |
Production | From 1987 Until 1990 |
Price | - |
Tractor type | Agricultural Crawler tractor |
Fuel | diesel |
Service repair manual | Challenger 65 Manual |
Dimensions, sizes and tires
AG front tires | 25-in track |
AG rear tires | 25-in track |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 33,200 lbs or 15059 kg |
Length | - |
Width | - |
Height | - |
Wheelbase | 106 inches [269 cm] |
Ground clearance | - |
Turning radius | - |
Rear tread size | - |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 638 ci or 10.5 L |
Cylinders | 6 cylinders |
Engine power | 270 hp or 201.3 kW |
Engine RPM | 2100 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 166 gal or 628.3 L |
Oil capacity | - |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | Challenger 65 Parts |
Batteries number | - |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | negative |
Charging system | - |
Charging Volts | - |
Charging Amps | - |
Trans system | - |
Trans type | full power shift |
Trans gears | 10 forward and 2 reverse |
Clutch system | - |
Wheel drive | crawler |
Final drive | - |
Steering | hydrostatic differential steering |
Braking system | hydraulic caliper disc |
Cabin type | Cab standard with air-conditioning |
Differentiel lock | - |
System | closed center |
Valves | 4 |
Pump flow | 26 gpm or 98.4 lpm |
SVC flow | - |
Steering flow | - |
Tank capacity | - |
Hydraulic pressure | - |
Max flow | - |
Drawbar type | - |
Claimed power | 202 hp or 150.6 kW |
Drawbar horsepower | 213.73 hp or 159.4 kW |
Fuel consumption | 14.0 gal/hour or 53.0 l/hour |
Pulling power | 32,684 lbs or 14825 kg |
Claimed power | - |
Real power | 236.30 hp or 176.2 kW |
Engine @RPM | - |
PTO Clutch | - |
Rear PTO | independent |
Rear PTO RPM | 1000 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 14.4 gal/hour or 54.5 l/hour |
Hitch system | - |
Rear hitch | III |
Rear hitch lift | 12,300 lbs or 5579 kg |
Front hitch | - |
Front hitch lift | - |
Related tractor comparison


Challenger 65 CaseIH 2150


RK Tractors RK37S Steiger Lion 1000


RK Tractors RK37S SAME Aster 70


RK Tractors RK37S Landini 5860


RK Tractors RK37S John Deere 3155


RK Tractors RK37S Iseki TU220
Choose another tractor
Useful links and guides ....
- RK Tractors provided us with the latest version of its RK37S service repair manual
- Find All mechanical and electrical parts and accessories of RK Tractors RK37S farm-tractor here
- Get your Challenger 65 manual book version
- Cabine, electrical And mechanical parts for Challenger 65 farm-tractor here