Zetor Proxima 8421 VS J.I. Case 770 specs comparison
Zetor Proxima 8421
General Infos| Make | Zetor |
| Model | Proxima 8421 |
| Country | Czech republic |
| Production | From 2004 Until 2007 |
| Price | - |
| Tractor type | - |
| Fuel | diesel |
| Service repair manual | Zetor Proxima 8421 Manual |
Dimensions, sizes and tires
| AG front tires | 9.00-16 |
| AG rear tires | 16.9-34 |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 7440 lbs or 3374 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 | 84 hp or 62.6 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 8421 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 | 78 hp or 58.2 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 | - |
J.I. Case 770
General Infos| Make | J.I. Case |
| Model | 770 |
| Country | Unites states |
| Production | From 1969 Until 1972 |
| Price | - |
| Tractor type | - |
| Fuel | diesel |
| Service repair manual | J.I. Case 770 Manual |
Dimensions, sizes and tires
| AG front tires | 7.5L-15 |
| AG rear tires | 16.9-34 |
| Lawn front tires | - |
| Lawn rear tires | - |
| Indus front tires | - |
| Indus rear tires | - |
| Weight | 9,220 lbs or 4182 kg |
| Length | 153 inches [388 cm] |
| Width | - |
| Height | - |
| Wheelbase | 94 inches [238 cm] |
| Ground clearance | 15 inches [38 cm] |
| Turning radius | - |
| Rear tread size | 60 to 88 inches |
| Front tread size | 60 to 88 inches |
| Turning radius | - |
Horsepower and engin specs
| Engine capacity | 251 ci or 4.1 L |
| Cylinders | 4 cylinders |
| Engine power | - |
| Engine RPM | 1900 (rpm) |
| Torque | - | Torque RPM | - |
| Fuel type | diesel |
| Fuel injection | - |
| Fuel tank size | 50 gal or 189.3 L |
| Oil capacity | - |
| Oil change | - |
| Starter motor | - |
| Starter volts | 12 V |
| Parts And Accessories | J.I. Case 770 Parts |
| Batteries number | 1 |
| Batteries voltage | 12 V |
| Battries Amps | - |
| Cold Amps | - |
| Ground force | - |
| Charging system | - |
| Charging Volts | - |
| Charging Amps | - |
| Trans system | Range Power Shift |
| Trans type | partial power shift |
| Trans gears | 12 forward and 4 reverse |
| Clutch system | hydraulic wet discs |
| Wheel drive | 4x2 2WD |
| Final drive | - |
| Steering | power |
| Braking system | differential hydraulic dry disc |
| Cabin type | Open operator station |
| Differentiel lock | - |
| System | - |
| Valves | - |
| Pump flow | 16 gpm or 60.6 lpm |
| SVC flow | - |
| Steering flow | 8 gpm or 30.3 lpm |
| Tank capacity | - |
| Hydraulic pressure | - |
| Max flow | 24 gpm or 90.8 lpm |
| Drawbar type | - |
| Claimed power | 49 hp or 36.5 kW |
| Drawbar horsepower | 55.95 hp or 41.7 kW |
| Fuel consumption | 4.4 gal/hour or 16.7 l/hour |
| Pulling power | 8,927 lbs or 4049 kg |
| Claimed power | 56 hp or 41.8 kW |
| Real power | 61.93 hp or 46.2 kW |
| Engine @RPM | 540@1900 (rpm) |
| PTO Clutch | - |
| Rear PTO | independent |
| Rear PTO RPM | 540 (rpm) |
| Front PTO | - |
| Front PTO RPM | - |
| Mid PTO | - |
| Mid PTO RPM | - |
| Fuel consumption | 4.2 gal/hour or 15.9 l/hour |
| Hitch system | - |
| Rear hitch | II |
| Rear hitch lift | - |
| Front hitch | - |
| Front hitch lift | - |
Related tractor comparison
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Useful links and guides ....
- Zetor provided us with the latest version of its Proxima 8421 service repair manual
- Find All mechanical and electrical parts and accessories of Zetor Proxima 8421 farm-tractor here
- Get your J.I. Case 770 manual book version
- Cabine, electrical And mechanical parts for J.I. Case 770 farm-tractor here
