Mahindra 3550 VS Allis Chalmers HD21 specs comparison

Mahindra 3550
General InfosMake | Mahindra |
Model | 3550 |
Country | India |
Production | From 2015 |
Price | - |
Tractor type | Utility tractor |
Fuel | diesel |
Service repair manual | Mahindra 3550 Manual |
Dimensions, sizes and tires
AG front tires | 9.5-20 |
AG rear tires | 16.9-24 |
Lawn front tires | 31x13.50-15 |
Lawn rear tires | 31x13.50-15 |
Indus front tires | 14x17.5 |
Indus rear tires | 19.5Lx24 |
Weight | 4939 lbs or 2240 kg |
Length | 128.9 inches [327 cm] |
Width | 75.4 inches [191 cm] |
Height | 89.8 inches [228 cm] |
Wheelbase | - |
Ground clearance | - |
Turning radius | - |
Rear tread size | - |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 166.6 ci or 2.7 L |
Cylinders | 4 cylinders |
Engine power | 49 hp or 36.5 kW |
Engine RPM | 2800 (rpm) |
Torque | 103.6 lb-ft or 140.5 Nm | Torque RPM | 1800 (rpm) |
Fuel type | diesel |
Fuel injection | direct injection |
Fuel tank size | 11.3 gal or 42.8 L |
Oil capacity | - |
Oil change | - |
Starter motor | electric |
Starter volts | 12 V |
Parts And Accessories | Mahindra 3550 Parts |
Batteries number | 1 |
Batteries voltage | 12 V |
Battries Amps | 96 amps |
Cold Amps | - |
Ground force | negative |
Charging system | alternator |
Charging Volts | 12 V |
Charging Amps | 120 amps |
Trans system | - |
Trans type | hydrostatic |
Trans gears | infinite (3-range) forward and reverse |
Clutch system | wet disc |
Wheel drive | 4x4 MFWD 4WD |
Final drive | - |
Steering | power |
Braking system | wet disc |
Cabin type | Two-post foldable ROPS |
Differentiel lock | - |
System | open center |
Valves | 1 |
Pump flow | 11 gpm or 41.6 lpm |
SVC flow | - |
Steering flow | 5 gpm or 18.9 lpm |
Tank capacity | - |
Hydraulic pressure | - |
Max flow | - |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | - |
Fuel consumption | - |
Pulling power | - |
Claimed power | 39.5 hp or 29.5 kW |
Real power | - |
Engine @RPM | 540@2404 (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 | I |
Rear hitch lift | 3090 lbs or 1401 kg |
Front hitch | - |
Front hitch lift | - |

Allis Chalmers HD21
General InfosMake | Allis Chalmers |
Model | HD21 |
Country | United states |
Production | From 1954 Until 1965 |
Price | - |
Tractor type | Agricultural Crawler tractor |
Fuel | diesel |
Service repair manual | Allis Chalmers HD21 Manual |
Dimensions, sizes and tires
AG front tires | tracks |
AG rear tires | tracks |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 45500 lbs or 20638 kg |
Length | 198 inches [502 cm] |
Width | - |
Height | 99 inches [251 cm] |
Wheelbase | - |
Ground clearance | - |
Turning radius | - |
Rear tread size | - |
Front tread size | - |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 844 ci or 13.8 L |
Cylinders | 6 cylinders |
Engine power | 225 hp or 167.8 kW |
Engine RPM | 1800 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | - |
Fuel tank size | 135 gal or 511.0 L |
Oil capacity | - |
Oil change | - |
Starter motor | - |
Starter volts | 24 V |
Parts And Accessories | Allis Chalmers HD21 Parts |
Batteries number | 2 |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | - |
Ground force | - |
Charging system | - |
Charging Volts | - |
Charging Amps | - |
Trans system | - |
Trans type | torque converter |
Trans gears | 2 forward and 1 reverse |
Clutch system | - |
Wheel drive | crawler |
Final drive | - |
Steering | - |
Braking system | contracting band |
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 | 135.12 hp or 100.8 kW |
Fuel consumption | - |
Pulling power | 40563 lbs or 18399 kg |
Claimed power | - |
Real power | - |
Engine @RPM | - |
PTO Clutch | - |
Rear PTO | - |
Rear PTO 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 | - |
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Useful links and guides ....
- Mahindra provided us with the latest version of its 3550 service repair manual
- Find All mechanical and electrical parts and accessories of Mahindra 3550 farm-tractor here
- Get your Allis Chalmers HD21 manual book version
- Cabine, electrical And mechanical parts for Allis Chalmers HD21 farm-tractor here