Allis Chalmers HD3 VS Challenger MT525B specs comparison

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 | - |

Challenger MT525B
General InfosMake | Challenger |
Model | MT525B |
Country | United states |
Production | From 2004 Until 2011 |
Price | - |
Tractor type | Row Crop tractor |
Fuel | diesel |
Service repair manual | Challenger MT525B Manual |
Dimensions, sizes and tires
AG front tires | 14L-16.1 (2WD) |
AG rear tires | 18.4R38 |
Lawn front tires | - |
Lawn rear tires | - |
Indus front tires | - |
Indus rear tires | - |
Weight | 11052 lbs or 5013 kg |
Length | 168.5 inches [427 cm] |
Width | 81.1 inches [205 cm] |
Height | 112.8 inches [286 cm] |
Wheelbase | 109.5 inches [278 cm] |
Ground clearance | - |
Turning radius | - |
Rear tread size | 54.4 to 88.1 inches |
Front tread size | 64.1 to 83 inches |
Turning radius | - |
Horsepower and engin specs
Engine capacity | 365.2 ci or 6.0 L |
Cylinders | 6 cylinders |
Engine power | 118 hp or 88.0 kW |
Engine RPM | 2200 (rpm) |
Torque | - | Torque RPM | - |
Fuel type | diesel |
Fuel injection | electronic direct injection |
Fuel tank size | 71 gal or 268.7 L |
Oil capacity | 15.3 qts or 14.5 L |
Oil change | - |
Starter motor | - |
Starter volts | 12 V |
Parts And Accessories | Challenger MT525B Parts |
Batteries number | 2 |
Batteries voltage | 12 V |
Battries Amps | - |
Cold Amps | 420 |
Ground force | negative |
Charging system | alternator |
Charging Volts | - |
Charging Amps | 120 amps |
Trans system | TechStar CVT |
Trans type | continuously variable transmission |
Trans gears | infinite (2-range) forward and reverse |
Clutch system | hydraulic wet disc |
Wheel drive | 4x2 2WD |
Final drive | inboard planetary |
Steering | power |
Braking system | hydraulic wet disc |
Cabin type | Cab standard with heat and A/C |
Differentiel lock | electro-hydraulic front and rear |
System | closed center pressure flow compensating |
Valves | 2 to 4 |
Pump flow | - |
SVC flow | - |
Steering flow | - |
Tank capacity | - |
Hydraulic pressure | 2900 psi or 200.0 bar |
Max flow | 29 gpm or 109.8 lpm |
Drawbar type | - |
Claimed power | - |
Drawbar horsepower | 81.8 hp or 61.0 kW |
Fuel consumption | 5.6 gal/hour or 21.2 l/hour |
Pulling power | 14,310 lbs or 6491 kg |
Claimed power | 95 hp or 70.8 kW |
Real power | 102.5 hp or 76.4 kW |
Engine @RPM | 540@1980 (rpm) |
PTO Clutch | - |
Rear PTO | independent |
Rear PTO RPM | 540 (rpm) |
Front PTO | - |
Front PTO RPM | - |
Mid PTO | - |
Mid PTO RPM | - |
Fuel consumption | 6.5 gal/hour or 24.6 l/hour |
Hitch system | - |
Rear hitch | II/III |
Rear hitch lift | 8500 lbs or 3855 kg |
Front hitch | optional |
Front hitch lift | 5,500 lbs or 2494 kg |
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Useful links and guides ....
- Allis Chalmers provided us with the latest version of its HD3 service repair manual
- Find All mechanical and electrical parts and accessories of Allis Chalmers HD3 farm-tractor here
- Get your Challenger MT525B manual book version
- Cabine, electrical And mechanical parts for Challenger MT525B farm-tractor here