Challenger MT645 VS Allis Chalmers HD6 specs comparison

Challenger MT645 2002 comparison online with competitors

Challenger MT645

General Infos
Make Challenger
Model MT645
Country United states
Production From 2002  Until 2003
Price -
Tractor type Row Crop tractor
Fuel diesel
Service repair manual Challenger MT645 Manual

Dimensions, sizes and tires
AG front tires 14.9R30
AG rear tires 18.4R42
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
Weight 19000 lbs or 8618 kg
Length 203 inches [515 cm]
Width 98.2 inches [249 cm]
Height 121 inches [307 cm]
Wheelbase 121 inches [307 cm]
Ground clearance -
Turning radius -
Rear tread size -
Front tread size -
Turning radius -

Horsepower and engin specs
Engine capacity 449 ci or 7.4 L
Cylinders 6 cylinders
Engine power -
Engine RPM 2200 (rpm)
Torque -
Torque RPM -
Fuel type diesel
Fuel injection -
Fuel tank size 120 gal or 454.2 L
Oil capacity -
Oil change -
Starter motor -
Starter volts 12 V
Parts And Accessories Challenger MT645 Parts
Electrical and battery specs
Batteries number -
Batteries voltage 12 V
Battries Amps -
Cold Amps -
Ground force negative
Charging system alternator
Charging Volts -
Charging Amps -
Clutch and gearbox specs
Trans system -
Trans type power shift
Trans gears 18 forward and 6 reverse
Clutch system electro-hydraulic wet disc
Cabine and mechanical specs
Wheel drive 4x4 MFWD 4WD
Final drive -
Steering power
Braking system hydraulic wet disc
Cabin type Cab standard with air-conditioning
Differentiel lock -
Hydraulics specifications
System closed center pressure flow compensated
Valves 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 specifications
Drawbar type -
Claimed power -
Drawbar horsepower -
Fuel consumption -
Pulling power -
Power take-off (PTO) specs
Claimed power 180 hp or 134.2 kW
Real power 183.87 hp or 137.1 kW
Engine @RPM 1000@2091 (rpm)
PTO Clutch -
Rear PTO independent
Rear PTO RPM 1000 (rpm)
Front PTO -
Front PTO RPM -
Mid PTO -
Mid PTO RPM -
Fuel consumption 10.9 gal/hour or 41.3 l/hour
3 point hitch specifiations
Hitch system -
Rear hitch III
Rear hitch lift 18400 lbs or 8346 kg
Front hitch -
Front hitch lift -

Allis Chalmers HD6 1955 comparison online with competitors

Allis Chalmers HD6

General Infos
Make Allis Chalmers
Model HD6
Country United states
Production From 1955  Until 1974
Price -
Tractor type Agricultural Crawler tractor
Fuel diesel
Service repair manual Allis Chalmers HD6 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 13,400 lbs or 6078 kg
Length 127 inches [322 cm]
Width -
Height 66 inches [167 cm]
Wheelbase -
Ground clearance -
Turning radius -
Rear tread size -
Front tread size -
Turning radius -

Horsepower and engin specs
Engine capacity 344 ci or 5.6 L
Cylinders 4 cylinders
Engine power -
Engine RPM 1800 (rpm)
Torque -
Torque RPM -
Fuel type diesel
Fuel injection -
Fuel tank size 37 gal or 140.0 L
Oil capacity -
Oil change -
Starter motor -
Starter volts 24 V
Parts And Accessories Allis Chalmers HD6 Parts
Electrical and battery specs
Batteries number 2
Batteries voltage 12 V
Battries Amps -
Cold Amps -
Ground force -
Charging system -
Charging Volts -
Charging Amps -
Clutch and gearbox specs
Trans system -
Trans type power shift
Trans gears 2 forward and reverse
Clutch system -
Cabine and mechanical specs
Wheel drive crawler
Final drive -
Steering -
Braking system -
Cabin type Open operator station
Differentiel lock -
Hydraulics specifications
System -
Valves -
Pump flow -
SVC flow -
Steering flow -
Tank capacity -
Hydraulic pressure -
Max flow -
Drawbar specifications
Drawbar type -
Claimed power 39 hp or 29.1 kW
Drawbar horsepower 49.95 hp or 37.2 kW
Fuel consumption -
Pulling power 12636 lbs or 5731 kg
Power take-off (PTO) specs
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 -
3 point hitch specifiations
Hitch system -
Rear hitch -
Rear hitch lift -
Front hitch -
Front hitch lift -

Related tractor comparison


2002 Challenger MT645 competitors and comparison tool online specs and performance
1956 International Harvester D-217 competitors and comparison tool online specs and performance

Challenger MT645 International Harvester D-217

2002 Challenger MT645 competitors and comparison tool online specs and performance
1956 Massey-Harris 333 competitors and comparison tool online specs and performance

Challenger MT645 Massey-Harris 333

1955 Allis Chalmers HD6 competitors and comparison tool online specs and performance
1956 Oliver OC-15 competitors and comparison tool online specs and performance

Allis Chalmers HD6 Oliver OC-15

2002 Challenger MT645 competitors and comparison tool online specs and performance
1952 Massey-Harris 23 Mustang competitors and comparison tool online specs and performance

Challenger MT645 Massey-Harris 23 Mustang

1955 Allis Chalmers HD6 competitors and comparison tool online specs and performance
1954 Farmall 200 competitors and comparison tool online specs and performance

Allis Chalmers HD6 Farmall 200

2002 Challenger MT645 competitors and comparison tool online specs and performance
1957 J.I. Case 600 competitors and comparison tool online specs and performance

Challenger MT645 J.I. Case 600


Choose another tractor









Useful links and guides ....