Head to head · Utility

Challenger MT645C vs Versatile 400

Image not recorded
ChallengerModel A

Challenger MT645C

Utility

power
242 hp
displacement
513 ci
Cylinders
6
Forward gears
Not recorded
Full MT645C specs
Image not recorded
VersatileModel B

Versatile 400

Four-Wheel Drive

power
331 hp
displacement
729 ci
Cylinders
6
Forward gears
16
Full 400 specs
ChallengerChallenger MT645C
vs
VersatileVersatile 400

How they compare

Headline specs vs. the whole Utility

n = 1,083–5,720

Engine Power

▲ 400 higher · +89 hp (+37%)
MT645C242 hp
400331 hp
Median Utility Tractor55 hp

MT645C is in the 96th percentile; 400 is in the 97th · 5,383 models

Engine Displacement

▲ 400 higher · +216 ci (+42%)
MT645C513 ci
400729 ci
Median Utility Tractor183 ci

MT645C is in the 94th percentile; 400 is in the 96th · 5,580 models

Cylinders

= Effectively tied
MT645C6
4006
Median Utility Tractor4

MT645C is in the 93rd percentile; 400 is in the 93rd · 5,720 models

Operating Weight

▲ 400 higher · +11,530 lb (+45%)
MT645C25,795 lb
40037,325 lb
Median Utility Tractor5,303 lb

MT645C is in the 96th percentile; 400 is in the 98th · 5,107 models

MT645C (A)400 (B)Median Utility Tractor

Full comparison

Every spec, side by side

General Information

SpecChallenger MT645CVersatile 400Difference
ManufacturerChallengerVersatile—
ModelMT645C400—
CategoryUtilityFour-Wheel Drive—

Engine

SpecChallenger MT645CVersatile 400Difference
ManufacturerAGCOCummins—
ModelSisu Diesel (Serial No. T00767)Cummins Diesel Type—
Power Output242hp331hp▲ 400+89 hp · +37%
Rated RPM2,200RPM2,100RPM▲ MT645C+100 RPM · +5%
Cylinders66Same
Displacement513ci729ci▲ 400+216 ci · +42%
Bore4.4in5.1in▲ 400+0.7 in · +16%
Stroke5.7in5.9in▲ 400+0.2 in · +4%

Transmission

SpecChallenger MT645CVersatile 400Difference
TypeContinuously variable transmissionPartially synchronized / full power shift—

Dimensions & Weight

SpecChallenger MT645CVersatile 400Difference
Length223in265in▲ 400+42 in · +19%
Height133in143in▲ 400+10 in · +8%
Operating Weight25,795lb37,325lb▲ 400+11,530 lb · +45%

Hydraulics

SpecChallenger MT645CVersatile 400Difference
System TypeClosed center load sensingClosed center load sensing (CCLS)—
Steering TypeNot recordedHydrostatic power—

Hitch & Towing

SpecChallenger MT645CVersatile 400Difference
Hitch TypeThree-Point HitchNot recorded—
Hitch CategoryIIINot recorded—
Hitch PositionRearNot recorded—
Hitch Capacity26,460lb40,000lb▲ 400+13,540 lb · +51%

Chassis & Drive

SpecChallenger MT645CVersatile 400Difference
Chassis TypeNot recordedFour wheel drive with duals—
Drive TypeNot recorded4WD—
Steering TypeNot recordedHydrostatic power—

Electrical

SpecChallenger MT645CVersatile 400Difference
Starter TypeElectricElectricSame

Capacities

SpecChallenger MT645CVersatile 400Difference
CoolantNot recorded15.9gal—

Operator Station

SpecChallenger MT645CVersatile 400Difference
TypeNot recordedCab—

Category context

Both models against the field

Engine Power

median 55 hp
A · 96th percentile (242 hp)B · 97th percentile (331 hp)

Engine Displacement

median 183 ci
A · 94th percentile (513 ci)B · 96th percentile (729 ci)

Cylinders

median 4
A · 93rd percentile (6)B · 93rd percentile (6)

Operating Weight

median 5,303 lb
A · 96th percentile (25,795 lb)B · 98th percentile (37,325 lb)

Length

median 137 in
A · 95th percentile (223 in)B · 98th percentile (265 in)
A · MT645CB · 400Median Utility Tractor
Full spec pageChallenger MT645CFull spec pageVersatile 400