Challenger MT455B vs Challenger MT645B - compare

Compare tractors: Challenger MT455B vs Challenger MT645B

Challenger MT455B vs Challenger MT645B compare - general information

Specs Challenger MT455B Challenger MT645B
Brand AGCO AGCO
Model Challenger MT455B Challenger MT645B
Series n.d. n.d.
Previous model Challenger MT455 Challenger MT645
Next model Challenger MT645C
Smaller Challenger MT445B Challenger MT635B
Larger Challenger MT465B Challenger MT655B
Years n.d. from 2005 to 2008 y.
Cab with ROPS No No
Reviews Challenger MT455B reviews New! Challenger MT645B reviews New!

Challenger MT455B vs Challenger MT645B - performance

Specs Challenger MT455B Challenger MT645B
Maximum power (HP / kW) n.d. n.d.
Engine RPM 2200 rpm 2200 rpm
Fuel consumption n.d. n.d.
Fuel tank capacity n.d. n.d.
Max. speed n.d. n.d.

Challenger MT455B vs Challenger MT645B - engine

Specs Challenger MT455B Challenger MT645B
Fuel type Diesel Diesel
Engine producer Caterpillar Sisu
Engine model Caterpillar 3054T Sisu 74ETA
Engine type Diesel (diesel engine) Diesel (diesel engine)
Engine capacity 4.4 l. 7.4 l.
Strokes, qty n.d. n.d.
Cylinders 4 6
Compression n.d. n.d.
Bore 105 mm 108 mm
Stroke 127 mm 134 mm
Maximum torque n.d. n.d.
Air filter n.d. n.d.
Fuel filter n.d. n.d.
Fuel filter chambers, qty n.d. n.d.
Oil filter n.d. n.d.
Oil pump n.d. n.d.
Speed control (control) n.d. n.d.
Injection pump n.d. n.d.
Injectors n.d. n.d.
Injection pressure n.d. n.d.
Cooling system liquid cooled engine n.d.
Forced cooling n.d. n.d.
Cooler Yes
Thermostat Yes
Cooler type tubular-plate cooler
Coolant system capacity n.d. n.d.
Clutch n.d. n.d.

Challenger MT455B vs Challenger MT645B - turbocharger

Specs Challenger MT455B Challenger MT645B
Turbocharger Yes Yes
Dual turbocharger No No
Intercooler No No
Aftercooler No No
Wastegate valve No No
Variable geometry No No
Additional parameters

Challenger MT455B vs Challenger MT645B - electronics

Specs Challenger MT455B Challenger MT645B
Supply voltage starter (V) 12 V 12 V
Ground n.d. negative ground
Battery (V) n.d. 12 V
Battery, qty n.d. 1
Charging system Generator Alternator
Charging system producer n.d. n.d.
Ignition Manual Manual
Rear stop lamp Yes Yes
Rear agricultural lamp n.d. n.d.
Cock lamp No No

Challenger MT455B vs Challenger MT645B - PTO

Specs Challenger MT455B Challenger MT645B
PTO rpm 540 rpm 540 rpm
PTO control manual manual

Challenger MT455B vs Challenger MT645B - brakes

Specs Challenger MT455B Challenger MT645B
ABS No No
Brake assist No No
Braking system n.d. n.d.
Differential No No
Brake type disc brakes, wet brakes disc brakes, wet brakes, hydraulic
Discs Single Single

Challenger MT455B vs Challenger MT645B - dimensions

Specs Challenger MT455B Challenger MT645B
Weight from 4030 kg to 4284 kg (depending by model) n.d.
Weight with ROPS n.d. n.d.
Weight with cab n.d. n.d.
Length n.d. 5232 mm
Height n.d. n.d.
Width n.d. 2997 mm
Clearance n.d. 569 mm
Rear clearance n.d. n.d.
Front track width n.d. n.d.
Rear track width n.d. from 1524 mm to 2235 mm
Wheelbase n.d. 3070 mm
Front tires 10-16 380/85R34
Rear tires n.d. n.d.
Max. mass of the trailer without brakes 1500 kg 1500 kg
Max. mass of the trailer with brakes n.d. n.d.
Max. axle load n.d. n.d.
Max. total weight n.d. n.d.
Turning radius n.d. n.d.

Challenger MT455B vs Challenger MT645B - drive

Specs Challenger MT455B Challenger MT645B
Drive system 4x2, 2WD (depending by model) 4x4, MFWD, 4WD (depending by model)
Additional one wheel drive all-wheel drive, all four wheels at all times and it can be used full, front drive axle, mechanical drive, front drive axle
Permanent 4-wheel drive n.d. Yes
Permanent systems that constantly power all the wheels n/a Yes
Dynamic allocation of power between the axles n/a n.d., AWD drive
Independent Link Suspension None None
Articulated suspension
Crawler drive No No
Hydrostatic steering Yes Yes
Differential n.d. n.d.
Steering rod rod
Front rods n.d. n.d.
Rear planetary drives n.d. n.d.
Front planetary drives n.d. n.d.

Challenger MT455B vs Challenger MT645B - hydraulics

Specs Challenger MT455B Challenger MT645B
Three-point hitch n.d. n.d.
Three-point hitch type n.d. n.d.
Three-point hitch performance n.d. n.d.
Three-point hitch pressure n.d. n.d.
Load Sensing No No
Closed n.d. n.d.
Central No No
Constant flow No No
Constant pressure No No
Control system n.d. flow-compensated
Pump n.d. n.d.
Two-section distributor n.d. n.d.
Quick couplings n.d. n.d.
Auto Lift n.d. n.d.

Challenger MT455B vs Challenger MT645B - transmission

Specs Challenger MT455B Challenger MT645B
Synchronous transmission n.d. n.d.
Transmission mechanically synchronized n/a n/a
PowerShift No No
PowerShuttle No No
Additional
Hydrostatic transmission n.d. n.d.
Forward gears 16 unlimited (ranges: - 2)
Reverse gears 16 unlimited (ranges: - 2)
Creeper n.d. n.d.

Challenger MT455B vs Challenger MT645B - equipment

Specs Challenger MT455B Challenger MT645B
Clevis Yes (???) Yes (???)
Lower catch n.d. n.d.
Air conditioning n.d. n.d.