RK Tractors RK55S VS Long 550 specs comparison

RK Tractors RK55S
General InfosMake | 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 | - |

Long 550
General InfosMake | Long |
Model | 550 |
Country | United states |
Production | From 1972 Until 1975 |
Price | - |
Tractor type | Utility tractor |
Fuel | diesel |
Service repair manual | Long 550 Manual |
Dimensions, sizes and tires
AG front tires | 7.50-16 |
AG rear tires | 18.4-28 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 4570 lbs or 2072 kg |
Length | - |
Width | - |
Height | - |
Wheelbase | 81.5 inches [207 cm] |
Ground clearance | - |
Turning radius | - |
Rear tread size | 47.25 to 74.7 inches |
Front tread size | 52 to 79 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 190.7 ci or 3.1 L |
Cylinders | 4 cylinders |
Engine power | 60 hp or 44.7 kW |
Engine RPM | 2400 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | direct injection |
Fuel tank size | 14.25 gal or 53.9 L |
Oil capacity | 11 qts or 10.4 L |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | Long 550 Parts |
Batteries number | - |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | negative |
Charging system | - |
Charging Volts | - |
Charging Amps | - |
Trans system | - |
Trans type | gear |
Trans gears | 8 forward and 2 reverse |
Clutch system | 279.4mm dry disc |
Wheel drive | 4x2 2WD |
Final drive | - |
Steering | manual |
Braking system | independent contracting band |
Cabin type | Open operator station |
Differentiel lock | - |
System | open center |
Valves | - |
Pump flow | 5.75 gpm or 21.8 lpm |
SVC flow | - |
Steering flow | - |
Tank capacity | - |
Hydraulic pressure | 2133 psi or 147.1 bar |
Max flow | - |
Drawbar type | - |
Claimed power | 46.7 hp or 34.8 kW |
Drawbar horsepower | 46.73 hp or 34.8 kW |
Fuel consumption | 3.6 gal/hour or 13.6 l/hour |
Pulling power | 6,944 lbs or 3149 kg |
Claimed power | 53.7 hp or 40.0 kW |
Real power | 47.66 hp or 35.5 kW |
Engine @RPM | 540@1970 (rpm) |
PTO Clutch | - |
Rear PTO | - |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 3.2 gal/hour or 12.1 l/hour |
Hitch system | - |
Rear hitch | II/I |
Rear hitch lift | 2660 lbs or 1206 kg |
Front hitch | - |
Front hitch lift | - |
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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 Long 550 manual book version
- Cabine, electrical And mechanical parts for Long 550 farm-tractor here