Zetor Proxima 6421 VS Caterpillar R4 specs comparison
Zetor Proxima 6421
General Infos| Make | Zetor |
| Model | Proxima 6421 |
| Country | Czech republic |
| Production | From 2004 Until 2007 |
| Price | - |
| Tractor type | - |
| Fuel | diesel |
| Service repair manual | Zetor Proxima 6421 Manual |
Dimensions, sizes and tires
| AG front tires | 9.00-16 |
| AG rear tires | 16.9-30 |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 7240 lbs or 3284 kg |
| Length | 152 inches [386 cm] |
| Width | 73 inches [185 cm] |
| Height | 102 inches [259 cm] |
| Wheelbase | 90 inches [228 cm] |
| Ground clearance | 22 inches [55 cm] |
| Turning radius | - |
| Rear tread size | 56 to 71 inches |
| Front tread size | 56 to 71 inches |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 254 ci or 4.2 L |
| Cylinders | 4 cylinders |
| Engine power | 64 hp or 47.7 kW |
| Engine RPM | 2200 (rpm) |
| Torque | - | Torque RPM | - |
| Fuel type | diesel |
| Fuel injection | - |
| Fuel tank size | 20 gal or 75.7 L |
| Oil capacity | - |
| Oil change | - |
| Starter motor | - |
| Starter volts | 12 V |
| Parts And Accessories | Zetor Proxima 6421 Parts |
| Batteries number | 1 |
| Batteries voltage | 12 V |
| Battries Amps | - |
| Cold Amps | - |
| Ground force | - |
| Charging system | - |
| Charging Volts | - |
| Charging Amps | - |
| Trans system | - |
| Trans type | mechanical shuttle |
| Trans gears | 12 forward and reverse |
| Clutch system | 304.8mm hydraulic cerametallic disc |
| Wheel drive | 4x2 2WD |
| Final drive | - |
| Steering | - |
| Braking system | - |
| Cabin type | Two-post folding ROPS |
| Differentiel lock | - |
| System | open center |
| Valves | 3 |
| Pump flow | 14 gpm or 53.0 lpm |
| SVC flow | - |
| Steering flow | - |
| Tank capacity | - |
| Hydraulic pressure | 2900 psi or 200.0 bar |
| Max flow | 18 gpm or 68.1 lpm |
| Drawbar type | - |
| Claimed power | - |
| Drawbar horsepower | - |
| Fuel consumption | - |
| Pulling power | - |
| Claimed power | 60 hp or 44.7 kW |
| Real power | - |
| Engine @RPM | - |
| PTO Clutch | - |
| 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 | II/I |
| Rear hitch lift | 6830 lbs or 3098 kg |
| Front hitch | - |
| Front hitch lift | - |
Caterpillar R4
General Infos| Make | Caterpillar |
| Model | R4 |
| Country | United states |
| Production | From 1938 Until 1944 |
| Price | - |
| Tractor type | Agricultural Crawler tractor |
| Fuel | gasoline |
| Service repair manual | Caterpillar R4 Manual |
Dimensions, sizes and tires
| AG front tires | 44-inch tracks |
| AG rear tires | 44-inch tracks |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | - |
| Length | - |
| Width | - |
| Height | - |
| Wheelbase | - |
| Ground clearance | - |
| Turning radius | - |
| Rear tread size | - |
| Front tread size | - |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 461 ci or 7.6 L |
| Cylinders | 4 cylinders |
| Engine power | - |
| 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 | Caterpillar R4 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 | - |
| Wheel drive | crawler |
| Final drive | - |
| Steering | - |
| 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 | 30.88 hp or 23.0 kW |
| Fuel consumption | - |
| Pulling power | 6120 lbs or 2776 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 | - |
Related tractor comparison
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Choose another tractor
Useful links and guides ....
- Zetor provided us with the latest version of its Proxima 6421 service repair manual
- Find All mechanical and electrical parts and accessories of Zetor Proxima 6421 farm-tractor here
- Get your Caterpillar R4 manual book version
- Cabine, electrical And mechanical parts for Caterpillar R4 farm-tractor here