Caterpillar D4 VS Yanmar YM186 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 | - |
Yanmar YM186
General Infos| Make | Yanmar |
| Model | YM186 |
| Country | Japan |
| Production | From 1980 Until 1986 |
| Price | 7400 USD |
| Tractor type | Compact Utility tractor |
| Fuel | diesel |
| Service repair manual | Yanmar YM186 Manual |
Dimensions, sizes and tires
| AG front tires | 5.00-12 (2WD) |
| AG rear tires | 9.5-16 |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 1,433 lbs or 650 kg |
| Length | 98.3 inches [249 cm] |
| Width | 42.9 inches [108 cm] |
| Height | - |
| Wheelbase | - |
| Ground clearance | 10.4 inches [26 cm] |
| Turning radius | - |
| Rear tread size | - |
| Front tread size | - |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 53.5 ci or 0.9 L |
| Cylinders | 3 cylinders |
| Engine power | 18 hp or 13.4 kW |
| Engine RPM | 2600 (rpm) |
| Torque | - | Torque RPM | - |
| Fuel type | diesel |
| Fuel injection | - |
| Fuel tank size | 4.2 gal or 15.9 L |
| Oil capacity | 3.4 qts or 3.2 L |
| Oil change | - |
| Starter motor | - |
| Starter volts | 12 V |
| Parts And Accessories | Yanmar YM186 Parts |
| Batteries number | 1 |
| Batteries voltage | 12 V |
| Battries Amps | 45 amps |
| Cold Amps | - |
| Ground force | negative |
| Charging system | alternator |
| Charging Volts | - |
| Charging Amps | 15 amps |
| Trans system | - |
| Trans type | - |
| Trans gears | 9 forward and 3 reverse |
| Clutch system | - |
| Wheel drive | 4x2 2WD |
| Final drive | - |
| Steering | manual |
| Braking system | mechanical dry shoe |
| Cabin type | Open operator station |
| Differentiel lock | - |
| System | open center |
| Valves | - |
| Pump flow | - |
| SVC flow | - |
| Steering flow | - |
| Tank capacity | 2.1 gal or 7.9 L |
| Hydraulic pressure | 1991 psi or 137.3 bar |
| Max flow | 4.8 gpm or 18.2 lpm |
| Drawbar type | - |
| Claimed power | - |
| Drawbar horsepower | - |
| Fuel consumption | - |
| Pulling power | - |
| Claimed power | - |
| Real power | - |
| Engine @RPM | - |
| PTO Clutch | - |
| Rear PTO | transmission |
| Rear PTO RPM | 540 (rpm) |
| Front PTO | - |
| Front PTO RPM | - |
| Mid PTO | - |
| Mid PTO RPM | - |
| Fuel consumption | - |
| Hitch system | - |
| Rear hitch | I |
| Rear hitch lift | 551 lbs or 249 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 Yanmar YM186 manual book version
- Cabine, electrical And mechanical parts for Yanmar YM186 farm-tractor here