RK Tractors RK55S VS Allis Chalmers HD3 specs comparison
RK Tractors RK55S
General Infos| Make | RK Tractors |
| Model | RK55S |
| Country | United states |
| Production | From 2017 |
| Price | - |
| Tractor type | Compact Utility tractor |
| Fuel | diesel |
| Service repair manual | RK Tractors RK55S Manual |
Dimensions, sizes and tires
| AG front tires | 9.5x16 |
| AG rear tires | 14.9x24 |
| Lawn front tires | 12x16.5 |
| Lawn rear tires | 12x16.5 |
| Indus front tires | 12x16.5 |
| Indus rear tires | 16.9x24 |
| Weight | 3814 lbs or 1730 kg |
| Length | 141.3 inches [358 cm] |
| Width | 63.8 inches [162 cm] |
| Height | 102.1 inches [259 cm] |
| Wheelbase | 76.2 inches [193 cm] |
| Ground clearance | 13.8 inches [35 cm] |
| Turning radius | - |
| Rear tread size | - |
| Front tread size | - |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 127.6 ci or 2.1 L |
| Cylinders | 4 cylinders |
| Engine power | 55.1 hp or 41.1 kW |
| Engine RPM | 2800 (rpm) |
| Torque | - | Torque RPM | - |
| Fuel type | diesel |
| Fuel injection | common rail direct injection |
| Fuel tank size | 17 gal or 64.3 L |
| Oil capacity | - |
| Oil change | - |
| Starter motor | electric |
| Starter volts | 12 V |
| Parts And Accessories | RK Tractors RK55S Parts |
| Batteries number | 1 |
| Batteries voltage | 12 V |
| Battries Amps | - |
| Cold Amps | - |
| Ground force | negative |
| Charging system | alternator |
| Charging Volts | - |
| Charging Amps | 70 amps |
| Trans system | - |
| Trans type | syncro shuttle |
| Trans gears | 16 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 | 2 |
| Pump flow | 9.5 gpm or 36.0 lpm |
| SVC flow | - |
| Steering flow | 5 gpm or 18.9 lpm |
| Tank capacity | - |
| Hydraulic pressure | - |
| Max flow | 14.5 gpm or 54.9 lpm |
| Drawbar type | - |
| Claimed power | - |
| Drawbar horsepower | - |
| Fuel consumption | - |
| Pulling power | - |
| Claimed power | 44.9 hp or 33.5 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 and draft control |
| Rear hitch | I |
| Rear hitch lift | 3314 lbs or 1503 kg |
| Front hitch | - |
| Front hitch lift | - |
Allis Chalmers HD3
General Infos| Make | Allis Chalmers |
| Model | HD3 |
| Country | United states |
| Production | From 1960 Until 1968 |
| Price | - |
| Tractor type | - |
| Fuel | diesel |
| Service repair manual | Allis Chalmers HD3 Manual |
Dimensions, sizes and tires
| AG front tires | 7-inch track |
| AG rear tires | 7-inch track |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 7645 lbs or 3467 kg |
| Length | 108.75 inches [276 cm] |
| Width | - |
| Height | - |
| Wheelbase | - |
| Ground clearance | - |
| Turning radius | - |
| Rear tread size | 48 inches |
| Front tread size | 48 inches |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 175 ci or 2.9 L |
| Cylinders | 4 cylinders |
| Engine power | - |
| Engine RPM | 1650 (rpm) |
| Torque | - | Torque RPM | - |
| Fuel type | diesel |
| Fuel injection | Roosa-Master injection |
| Fuel tank size | 14 gal or 53.0 L |
| Oil capacity | - |
| Oil change | - |
| Starter motor | electric |
| Starter volts | 12 V |
| Parts And Accessories | Allis Chalmers HD3 Parts |
| Batteries number | 2 |
| Batteries voltage | 6 V |
| Battries Amps | - |
| Cold Amps | - |
| Ground force | - |
| Charging system | - |
| Charging Volts | - |
| Charging Amps | - |
| Trans system | Power Director |
| Trans type | mechanical shuttle |
| Trans gears | 4 forward and reverse |
| Clutch system | wet disc (Power Director) |
| Wheel drive | crawler |
| Final drive | - |
| Steering | mechanical clutches |
| Braking system | mechanical contracting band |
| Cabin type | Open operator station |
| Differentiel lock | - |
| System | open center |
| Valves | 1 to 3 |
| Pump flow | 15 gpm or 56.8 lpm |
| SVC flow | - |
| Steering flow | - |
| Tank capacity | 16.5 gal or 62.5 L |
| Hydraulic pressure | - |
| Max flow | - |
| Drawbar type | - |
| Claimed power | - |
| Drawbar horsepower | 26.17 hp or 19.5 kW |
| Fuel consumption | 2.6 gal/hour or 9.8 l/hour |
| Pulling power | 8207 lbs or 3722 kg |
| Claimed power | - |
| Real power | 32.53 hp or 24.3 kW |
| Engine @RPM | - |
| PTO Clutch | - |
| Rear PTO | optional |
| Rear PTO RPM | 540 (rpm) |
| Front PTO | - |
| Front PTO RPM | - |
| Mid PTO | - |
| Mid PTO RPM | - |
| Fuel consumption | 2.6 gal/hour or 9.8 l/hour |
| Hitch system | - |
| Rear hitch | - |
| Rear hitch lift | - |
| Front hitch | - |
| Front hitch lift | - |
Related tractor comparison
RK Tractors RK55S Chamberlain Champion 9G
RK Tractors RK55S John Deere 630
RK Tractors RK55S Allis Chalmers D19
Allis Chalmers HD3 Ransomes MG40
Allis Chalmers HD3 Ford 641
RK Tractors RK55S David Brown 40TD
Choose another tractor
Useful links and guides ....
- RK Tractors provided us with the latest version of its RK55S service repair manual
- Find All mechanical and electrical parts and accessories of RK Tractors RK55S farm-tractor here
- Get your Allis Chalmers HD3 manual book version
- Cabine, electrical And mechanical parts for Allis Chalmers HD3 farm-tractor here