RK Tractors RK37S VS Silver King R66 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 | - |

Silver King R66
General InfosMake | Silver King |
Model | R66 |
Country | United states |
Production | From 1936 Until 1939 |
Price | - |
Tractor type | Row Crop tractor |
Fuel | gasoline |
Service repair manual | Silver King R66 Manual |
Dimensions, sizes and tires
AG front tires | 6.00x16 |
AG rear tires | 9.00x24 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 2,790 lbs or 1265 kg |
Length | 128 inches [325 cm] |
Width | 75 inches [190 cm] |
Height | 64 inches [162 cm] |
Wheelbase | - |
Ground clearance | - |
Turning radius | - |
Rear tread size | - |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 133 ci or 2.2 L |
Cylinders | 4 cylinders |
Engine power | 24.5 hp or 18.3 kW |
Engine RPM | 1400 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | gasoline |
Fuel injection | - |
Fuel tank size | - |
Oil capacity | - |
Oil change | - |
Starter motor | - |
Starter volts | - |
Parts And Accessories | Silver King R66 Parts |
Batteries number | - |
Batteries voltage | - |
Battries Amps | - |
Cold Amps | - |
Ground force | - |
Charging system | - |
Charging Volts | - |
Charging Amps | - |
Trans system | - |
Trans type | gear |
Trans gears | 4 forward and 1 reverse |
Clutch system | - |
Wheel drive | 3x2 2WD |
Final drive | - |
Steering | manual |
Braking system | - |
Cabin type | Open operator station |
Differentiel lock | - |
System | - |
Valves | - |
Pump flow | - |
SVC flow | - |
Steering flow | - |
Tank capacity | - |
Hydraulic pressure | - |
Max flow | - |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | 16.44 hp or 12.3 kW |
Fuel consumption | - |
Pulling power | 1647 lbs or 747 kg |
Claimed power | - |
Real power | - |
Engine @RPM | - |
PTO Clutch | - |
Rear PTO | - |
Rear PTO RPM | - |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | - |
Hitch system | - |
Rear hitch | - |
Rear hitch lift | - |
Front hitch | - |
Front hitch lift | - |
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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 Silver King R66 manual book version
- Cabine, electrical And mechanical parts for Silver King R66 farm-tractor here