International Harvester 844-S VS Allis Chalmers HD3 specs comparison

International Harvester 844-S
General InfosMake | International Harvester |
Model | 844-S |
Country | United states |
Production | From 1975 Until 1989 |
Price | - |
Tractor type | - |
Fuel | diesel |
Service repair manual | International Harvester 844-S Manual |
Dimensions, sizes and tires
AG front tires | 7.50x16 (2WD) |
AG rear tires | 15x34 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 7,520 lbs or 3411 kg |
Length | 154.6 inches [392 cm] |
Width | 80.3 inches [203 cm] |
Height | - |
Wheelbase | 93.9 inches [238 cm] |
Ground clearance | 19.7 inches [50 cm] (2WD) |
Turning radius | - |
Rear tread size | - |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 268 ci or 4.4 L |
Cylinders | 4 cylinders |
Engine power | 87 hp or 64.9 kW |
Engine RPM | 2300 (rpm) |
Torque | 218.4 lb-ft or 296.2 Nm |
Torque RPM | 1300 (rpm) |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 22.4 gal or 84.8 L |
Oil capacity | 8 qts or 7.6 L |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | International Harvester 844-S Parts |
Batteries number | 1 |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | - |
Charging system | alternator |
Charging Volts | - |
Charging Amps | 28 amps |
Trans system | Agriomatic |
Trans type | - |
Trans gears | 16 forward and 8 reverse |
Clutch system | - |
Wheel drive | 4x2 2WD |
Final drive | - |
Steering | hydrostatic power |
Braking system | differential hydraulic wet disc |
Cabin type | Open operator station |
Differentiel lock | - |
System | - |
Valves | 1 or 2 |
Pump flow | 7.9 gpm or 29.9 lpm |
SVC flow | - |
Steering flow | - |
Tank capacity | 4 gal or 15.1 L |
Hydraulic pressure | - |
Max flow | - |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
Claimed power | 73 hp or 54.4 kW |
Real power | - |
Engine @RPM | - |
PTO Clutch | - |
Rear PTO | - |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | - |
Hitch system | - |
Rear hitch | II |
Rear hitch lift | 6,945 lbs or 3150 kg |
Front hitch | - |
Front hitch lift | - |

Allis Chalmers HD3
General InfosMake | Allis Chalmers |
Model | HD3 |
Country | United states |
Production | From 1960 Until 1968 |
Price | - |
Tractor type | - |
Fuel | diesel |
Service repair manual | Allis Chalmers HD3 Manual |
Dimensions, sizes and tires
AG front tires | 7-inch track |
AG rear tires | 7-inch track |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 7645 lbs or 3467 kg |
Length | 108.75 inches [276 cm] |
Width | - |
Height | - |
Wheelbase | - |
Ground clearance | - |
Turning radius | - |
Rear tread size | 48 inches |
Front tread size | 48 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 175 ci or 2.9 L |
Cylinders | 4 cylinders |
Engine power | - |
Engine RPM | 1650 (rpm) |
Torque | - |
Torque RPM | - |
Fuel type | diesel |
Fuel injection | Roosa-Master injection |
Fuel tank size | 14 gal or 53.0 L |
Oil capacity | - |
Oil change | - |
Starter motor | electric |
Starter volts | 12 V |
Parts And Accessories | Allis Chalmers HD3 Parts |
Batteries number | 2 |
Batteries voltage | 6 V |
Battries Amps | - |
Cold Amps | - |
Ground force | - |
Charging system | - |
Charging Volts | - |
Charging Amps | - |
Trans system | Power Director |
Trans type | mechanical shuttle |
Trans gears | 4 forward and reverse |
Clutch system | wet disc (Power Director) |
Wheel drive | crawler |
Final drive | - |
Steering | mechanical clutches |
Braking system | mechanical contracting band |
Cabin type | Open operator station |
Differentiel lock | - |
System | open center |
Valves | 1 to 3 |
Pump flow | 15 gpm or 56.8 lpm |
SVC flow | - |
Steering flow | - |
Tank capacity | 16.5 gal or 62.5 L |
Hydraulic pressure | - |
Max flow | - |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | 26.17 hp or 19.5 kW |
Fuel consumption | 2.6 gal/hour or 9.8 l/hour |
Pulling power | 8207 lbs or 3722 kg |
Claimed power | - |
Real power | 32.53 hp or 24.3 kW |
Engine @RPM | - |
PTO Clutch | - |
Rear PTO | optional |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 2.6 gal/hour or 9.8 l/hour |
Hitch system | - |
Rear hitch | - |
Rear hitch lift | - |
Front hitch | - |
Front hitch lift | - |
Related tractor comparison


International Harvester 844-S Allis Chalmers H3


International Harvester 844-S Stihl S 20


Allis Chalmers HD3 J.I. Case 310E


International Harvester 844-S Massey Ferguson 65


International Harvester 844-S John Deere 1010C


International Harvester 844-S David Brown 950
Choose another tractor
Useful links and guides ....
- International Harvester provided us with the latest version of its 844-S service repair manual
- Find All mechanical and electrical parts and accessories of International Harvester 844-S farm-tractor here
- Get your Allis Chalmers HD3 manual book version
- Cabine, electrical And mechanical parts for Allis Chalmers HD3 farm-tractor here