Zetor 25A VS John Deere 4640 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 | - |

John Deere 4640
General InfosMake | John Deere |
Model | 4640 |
Country | United states |
Production | From 1978 Until 1982 |
Price | - |
Tractor type | Row Crop tractor |
Fuel | diesel |
Service repair manual | John Deere 4640 Manual |
Dimensions, sizes and tires
AG front tires | 10.00-16 |
AG rear tires | 24.5-32 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 14350 lbs or 6509 kg |
Length | 171 inches [434 cm] |
Width | 96 inches [243 cm] |
Height | 117 inches [297 cm] |
Wheelbase | 118.5 inches [300 cm] |
Ground clearance | 14.9 inches [37 cm] |
Turning radius | 14.7 feet [4.5 m] |
Rear tread size | 60 to 131.5 inches |
Front tread size | 58 to 100 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 466 ci or 7.6 L |
Cylinders | 6 cylinders |
Engine power | - |
Engine RPM | 2200 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 83 gal or 314.2 L |
Oil capacity | 20 qts or 18.9 L |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | John Deere 4640 Parts |
Batteries number | 2 |
Batteries voltage | 6 V |
Battries Amps | - |
Cold Amps | - |
Ground force | negative |
Charging system | alternator |
Charging Volts | - |
Charging Amps | - |
Trans system | John Deere PowerShift |
Trans type | full power shift |
Trans gears | 8 forward and 4 reverse |
Clutch system | - |
Wheel drive | 4x2 2WD |
Final drive | - |
Steering | hydrostatic power |
Braking system | differential hydraulic wet disc |
Cabin type | Sound-Gard cab standard |
Differentiel lock | pedal-actuated hydraulic |
System | closed center |
Valves | 2 or 3 |
Pump flow | 23 gpm or 87.1 lpm |
SVC flow | - |
Steering flow | - |
Tank capacity | 16.5 gal or 62.5 L |
Hydraulic pressure | - |
Max flow | - |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | 132.44 hp or 98.8 kW |
Fuel consumption | 9.8 gal/hour or 37.1 l/hour |
Pulling power | 15,989 lbs or 7252 kg |
Claimed power | 155 hp or 115.6 kW |
Real power | 157.01 hp or 117.1 kW |
Engine @RPM | - |
PTO Clutch | - |
Rear PTO | independent |
Rear PTO RPM | 1000 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 9.9 gal/hour or 37.5 l/hour |
Hitch system | - |
Rear hitch | III/IIIN |
Rear hitch lift | 7328 lbs or 3323 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 John Deere 4640 manual book version
- Cabine, electrical And mechanical parts for John Deere 4640 farm-tractor here