Caterpillar D4 VS Long 550 specs comparison
Caterpillar D4
General Infos| Make | Caterpillar |
| Model | D4 |
| Country | United states |
| Production | From 1938 Until 1957 |
| Price | - |
| Tractor type | Agricultural Crawler tractor |
| Fuel | diesel |
| Service repair manual | Caterpillar D4 Manual |
Dimensions, sizes and tires
| AG front tires | 13-inch tracks |
| AG rear tires | 13-inch tracks |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 9970 lbs or 4522 kg |
| Length | 120.7 inches [306 cm] |
| Width | 62 inches [157 cm] (44" gauge) |
| Height | - |
| Wheelbase | 61.125 inches [155 cm] |
| Ground clearance | 11.125 inches [28 cm] |
| Turning radius | - |
| Rear tread size | 44 inches |
| Front tread size | - |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 350 ci or 5.7 L |
| Cylinders | 4 cylinders |
| Engine power | - |
| Engine RPM | 1600 (rpm) |
| Torque | 421 lb-ft or 570.9 Nm | Torque RPM | 1000 (rpm) |
| Fuel type | diesel |
| Fuel injection | - |
| Fuel tank size | 20 gal or 75.7 L |
| Oil capacity | 16 qts or 15.1 L |
| Oil change | - |
| Starter motor | - |
| Starter volts | - |
| Parts And Accessories | Caterpillar D4 Parts |
| Batteries number | - |
| Batteries voltage | - |
| Battries Amps | - |
| Cold Amps | - |
| Ground force | - |
| Charging system | - |
| Charging Volts | - |
| Charging Amps | - |
| Trans system | - |
| Trans type | gear |
| Trans gears | 5 forward and 1 reverse |
| Clutch system | dry disc |
| Wheel drive | crawler |
| Final drive | - |
| Steering | manual clutches |
| 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 | 50.18 hp or 37.4 kW |
| Fuel consumption | - |
| Pulling power | 11,694 lbs or 5304 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 | - |
Long 550
General Infos| Make | 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 ....
- Caterpillar provided us with the latest version of its D4 service repair manual
- Find All mechanical and electrical parts and accessories of Caterpillar D4 farm-tractor here
- Get your Long 550 manual book version
- Cabine, electrical And mechanical parts for Long 550 farm-tractor here