Allis Chalmers D21 Series I VS Zetor Forterra 9641 specs comparison

Allis Chalmers D21 Series I
General InfosMake | Allis Chalmers |
Model | D21 Series I |
Country | United states |
Production | From 1963 Until 1969 |
Price | - |
Tractor type | Row Crop tractor |
Fuel | diesel |
Service repair manual | Allis Chalmers D21 Series I Manual |
Dimensions, sizes and tires
AG front tires | 11.00x16 |
AG rear tires | 24.5x32 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 9500 lbs or 4309 kg |
Length | 160.6 inches [407 cm] |
Width | 91.6 inches [232 cm] |
Height | - |
Wheelbase | 96.1 inches [244 cm] |
Ground clearance | - |
Turning radius | - |
Rear tread size | - |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 426 ci or 7.0 L |
Cylinders | 6 cylinders |
Engine power | - |
Engine RPM | 2200 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 52 gal or 196.8 L |
Oil capacity | 12 qts or 11.4 L |
Oil change | - |
Starter motor | - |
Starter volts | - |
Parts And Accessories | Allis Chalmers D21 Series I Parts |
Batteries number | 2 |
Batteries voltage | 12 V |
Battries Amps | 95 amps |
Cold Amps | - |
Ground force | negative |
Charging system | Delco-Remy generator |
Charging Volts | - |
Charging Amps | 32 amps |
Trans system | Power Director |
Trans type | sliding gear |
Trans gears | 8 forward and 2 reverse |
Clutch system | dry disc |
Wheel drive | 4x2 2WD |
Final drive | - |
Steering | power |
Braking system | band actuated disc |
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 | 93 hp or 69.4 kW |
Drawbar horsepower | 93.09 hp or 69.4 kW |
Fuel consumption | 7.1 gal/hour or 26.9 l/hour |
Pulling power | 14,840 lbs or 6731 kg |
Claimed power | 103 hp or 76.8 kW |
Real power | 103.06 hp or 76.9 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 | 7.1 gal/hour or 26.9 l/hour |
Hitch system | - |
Rear hitch | III/II |
Rear hitch lift | - |
Front hitch | - |
Front hitch lift | - |

Zetor Forterra 9641
General InfosMake | Zetor |
Model | Forterra 9641 |
Country | Czech republic |
Production | From 1999 Until 2007 |
Price | - |
Tractor type | - |
Fuel | diesel |
Service repair manual | Zetor Forterra 9641 Manual |
Dimensions, sizes and tires
AG front tires | 14.9-24 |
AG rear tires | 16.9-38 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 8708 lbs or 3949 kg |
Length | 172 inches [436 cm] |
Width | - |
Height | 106.7 inches [271 cm] |
Wheelbase | 93.7 inches [237 cm] |
Ground clearance | - |
Turning radius | - |
Rear tread size | - |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 253.6 ci or 4.2 L |
Cylinders | 4 cylinders |
Engine power | 95 hp or 70.8 kW |
Engine RPM | 2200 (rpm) |
Torque | 275.1 lb-ft or 373.0 Nm | Torque RPM | 1600 (rpm) |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 47.6 gal or 180.2 L |
Oil capacity | - |
Oil change | - |
Starter motor | electric |
Starter volts | 12 V |
Parts And Accessories | Zetor Forterra 9641 Parts |
Batteries number | - |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | negative |
Charging system | - |
Charging Volts | - |
Charging Amps | - |
Trans system | - |
Trans type | synchronized |
Trans gears | 24 forward and 18 reverse |
Clutch system | hydraulic dry disc |
Wheel drive | 4x4 MFWD 4WD |
Final drive | - |
Steering | power |
Braking system | wet disc |
Cabin type | Cab standard with available air-conditioning |
Differentiel lock | - |
System | - |
Valves | - |
Pump flow | 15.85 gpm or 60.0 lpm |
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 | - |
PTO Clutch | - |
Rear PTO | independent |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | - |
Hitch system | - |
Rear hitch | - |
Rear hitch lift | 10582 lbs or 4799 kg |
Front hitch | - |
Front hitch lift | - |
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Useful links and guides ....
- Allis Chalmers provided us with the latest version of its D21 Series I service repair manual
- Find All mechanical and electrical parts and accessories of Allis Chalmers D21 Series I farm-tractor here
- Get your Zetor Forterra 9641 manual book version
- Cabine, electrical And mechanical parts for Zetor Forterra 9641 farm-tractor here