Challenger MT645B VS Friday O-48 specs comparison

Challenger MT645B 2005 comparison online with competitors

Challenger MT645B

General Infos
Make Challenger
Model MT645B
Country United states
Production From 2005  Until 2008
Price -
Tractor type Row Crop tractor
Fuel diesel
Service repair manual Challenger MT645B Manual

Dimensions, sizes and tires
AG front tires 380/85R34
AG rear tires 480/80R46
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
Weight 18,308 lbs or 8304 kg
Length 206 inches [523 cm]
Width 118 inches [299 cm]
Height 123.6 inches [313 cm]
Wheelbase 121.1 inches [307 cm]
Ground clearance 22.4 inches [56 cm]
Turning radius -
Rear tread size 60 to 88 inches
Front tread size -
Turning radius -

Horsepower and engin specs
Engine capacity 449 ci or 7.4 L
Cylinders 6 cylinders 24 valves
Engine power 235 hp or 175.2 kW
Engine RPM 2200 (rpm)
Torque -
Torque RPM -
Fuel type diesel
Fuel injection -
Fuel tank size 159 gal or 601.8 L
Oil capacity 20 qts or 18.9 L
Oil change -
Starter motor -
Starter volts 12 V
Parts And Accessories Challenger MT645B Parts
Electrical and battery specs
Batteries number 2
Batteries voltage 12 V
Battries Amps -
Cold Amps 775
Ground force negative
Charging system alternator
Charging Volts -
Charging Amps 150 amps
Clutch and gearbox specs
Trans system TechStar
Trans type continuously variable transmission (CVT)
Trans gears infinite (2-range) forward and reverse
Clutch system -
Cabine and mechanical specs
Wheel drive 4x4 MFWD 4WD
Final drive inboard planetary
Steering power
Braking system hydraulic wet disc
Cabin type Cab standard with heat and A/C
Differentiel lock electrohydraulic front and rear
Hydraulics specifications
System pressure flow compensated
Valves 4 to 6
Pump flow -
SVC flow -
Steering flow -
Tank capacity 26.4 gal or 99.9 L
Hydraulic pressure 2900 psi or 200.0 bar
Max flow 39 gpm or 147.6 lpm
Drawbar specifications
Drawbar type -
Claimed power -
Drawbar horsepower 172.30 hp or 128.5 kW
Fuel consumption 12.0 gal/hour or 45.4 l/hour
Pulling power 16,954 lbs or 7690 kg
Power take-off (PTO) specs
Claimed power 200 hp or 149.1 kW
Real power 221.55 hp or 165.2 kW
Engine @RPM 540@2037 (rpm)
PTO Clutch electro-hydraulic wet disc
Rear PTO independent
Rear PTO RPM 540 (rpm)
Front PTO -
Front PTO RPM -
Mid PTO -
Mid PTO RPM -
Fuel consumption 12.0 gal/hour or 45.4 l/hour
3 point hitch specifiations
Hitch system -
Rear hitch III
Rear hitch lift 15,600 lbs or 7076 kg
Front hitch II
Front hitch lift 7,700 lbs or 3492 kg

Friday O-48 1948 comparison online with competitors

Friday O-48

General Infos
Make Friday
Model O-48
Country United states
Production From 1948  Until 1959
Price -
Tractor type Orchard/Vineyard tractor
Fuel gasoline
Service repair manual Friday O-48 Manual

Dimensions, sizes and tires
AG front tires 6.00x16
AG rear tires 13.00x24
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
Weight 3580 lbs or 1623 kg
Length 120 inches [304 cm]
Width 48 inches [121 cm] (min)
Height 53 inches [134 cm]
Wheelbase 77 inches [195 cm]
Ground clearance -
Turning radius -
Rear tread size -
Front tread size -
Turning radius -

Horsepower and engin specs
Engine capacity 217.7 ci or 3.6 L
Cylinders 6 cylinders
Engine power 50 hp or 37.3 kW
Engine RPM 1800 (rpm)
Torque 178 lb-ft or 241.4 Nm
Torque RPM 1200 (rpm)
Fuel type gasoline
Fuel injection -
Fuel tank size -
Oil capacity -
Oil change -
Starter motor -
Starter volts -
Parts And Accessories Friday O-48 Parts
Electrical and battery specs
Batteries number -
Batteries voltage -
Battries Amps -
Cold Amps -
Ground force -
Charging system generator
Charging Volts -
Charging Amps -
Clutch and gearbox specs
Trans system -
Trans type -
Trans gears 10 forward and 2 reverse
Clutch system -
Cabine and mechanical specs
Wheel drive 4x2 2WD
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 -
Drawbar horsepower -
Fuel consumption -
Pulling power -
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


1948 Friday O-48 competitors and comparison tool online specs and performance
1949 Cockshutt 40 competitors and comparison tool online specs and performance

Friday O-48 Cockshutt 40

1948 Friday O-48 competitors and comparison tool online specs and performance
1950 Minneapolis-Moline BF competitors and comparison tool online specs and performance

Friday O-48 Minneapolis-Moline BF

2005 Challenger MT645B competitors and comparison tool online specs and performance
1946 Ferguson TE-20 competitors and comparison tool online specs and performance

Challenger MT645B Ferguson TE-20

2005 Challenger MT645B competitors and comparison tool online specs and performance
1948 Gibson H competitors and comparison tool online specs and performance

Challenger MT645B Gibson H

1948 Friday O-48 competitors and comparison tool online specs and performance
1949 Minneapolis-Moline ZA competitors and comparison tool online specs and performance

Friday O-48 Minneapolis-Moline ZA

1948 Friday O-48 competitors and comparison tool online specs and performance
1949 Zetor 25A competitors and comparison tool online specs and performance

Friday O-48 Zetor 25A


Choose another tractor









Useful links and guides ....