Zetor 25A VS Oliver 1850 specs comparison

Zetor 25A
General InfosMake | Zetor |
Model | 25A |
Country | Czech republic |
Production | From 1949 Until 1961 |
Price | - |
Tractor type | Standard tread tractor |
Fuel | diesel |
Service repair manual | Zetor 25A Manual |
Dimensions, sizes and tires
AG front tires | 5.50-16 |
AG rear tires | 11.25-24 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 4026 lbs or 1826 kg |
Length | 126 inches [320 cm] |
Width | - |
Height | - |
Wheelbase | 74.8 inches [189 cm] |
Ground clearance | - |
Turning radius | - |
Rear tread size | 47.2 to 59.1 inches |
Front tread size | 47.2 to 59.1 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 126.8 ci or 2.1 L |
Cylinders | 2 cylinders |
Engine power | 25 hp or 18.6 kW |
Engine RPM | 1800 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 11.9 gal or 45.0 L |
Oil capacity | - |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | Zetor 25A Parts |
Batteries number | 1 |
Batteries voltage | 12 V |
Battries Amps | 150 amps |
Cold Amps | - |
Ground force | negative |
Charging system | generator |
Charging Volts | - |
Charging Amps | 12.5 amps |
Trans system | - |
Trans type | gear |
Trans gears | 6 forward and 2 reverse |
Clutch system | dry disc |
Wheel drive | 4x2 2WD |
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 | - |
Fuel consumption | - |
Pulling power | - |
Claimed power | - |
Real power | - |
Engine @RPM | 535@1600 (rpm) |
PTO Clutch | - |
Rear PTO | live |
Rear PTO RPM | 540 (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 | - |

Oliver 1850
General InfosMake | Oliver |
Model | 1850 |
Country | United states |
Production | From 1964 Until 1969 |
Price | - |
Tractor type | Row Crop tractor |
Fuel | gasoline |
Service repair manual | Oliver 1850 Manual |
Dimensions, sizes and tires
AG front tires | - |
AG rear tires | 18.4-34 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 8,965 lbs or 4066 kg |
Length | 152.5 inches [387 cm] |
Width | 86.5 inches [219 cm] |
Height | - |
Wheelbase | 86.25 inches [219 cm] |
Ground clearance | 25.5 inches [64 cm] |
Turning radius | - |
Rear tread size | 68 to 89.5 inches |
Front tread size | 9.25/14.5 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 310 ci or 5.1 L |
Cylinders | 6 cylinders |
Engine power | - |
Engine RPM | 2400 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | gasoline |
Fuel injection | - |
Fuel tank size | 34.5 gal or 130.6 L |
Oil capacity | 8 qts or 7.6 L |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | Oliver 1850 Parts |
Batteries number | 1 |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | - |
Charging system | - |
Charging Volts | - |
Charging Amps | - |
Trans system | Hydraul-Shift |
Trans type | partial power shift |
Trans gears | 18 forward and 6 reverse |
Clutch system | 330mm dry disc |
Wheel drive | 4x2 2WD |
Final drive | - |
Steering | power assist |
Braking system | differential disc |
Cabin type | Open operator station |
Differentiel lock | - |
System | open center |
Valves | 2 to 4 |
Pump flow | 15.9 gpm or 60.2 lpm |
SVC flow | - |
Steering flow | - |
Tank capacity | 5 gal or 18.9 L |
Hydraulic pressure | 2500 psi or 172.4 bar |
Max flow | - |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | 84.52 hp or 63.0 kW |
Fuel consumption | 8.2 gal/hour or 31.0 l/hour |
Pulling power | 14,227 lbs or 6453 kg |
Claimed power | 90 hp or 67.1 kW |
Real power | 92.92 hp or 69.3 kW |
Engine @RPM | - |
PTO Clutch | - |
Rear PTO | independent |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 8.1 gal/hour or 30.7 l/hour |
Hitch system | - |
Rear hitch | II |
Rear hitch lift | 6000 lbs or 2721 kg |
Front hitch | - |
Front hitch lift | - |
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Useful links and guides ....
- Zetor provided us with the latest version of its 25A service repair manual
- Find All mechanical and electrical parts and accessories of Zetor 25A farm-tractor here
- Get your Oliver 1850 manual book version
- Cabine, electrical And mechanical parts for Oliver 1850 farm-tractor here