Head to head · Agricultural

Challenger MT645B vs Challenger MT645E

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ChallengerModel A

Challenger MT645B

Agricultural

power
235 hp
displacement
449 ci
Cylinders
6
Forward gears
Not recorded
Full MT645B specs
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ChallengerModel B

Challenger MT645E

Agricultural

power
243 hp
displacement
513 ci
Cylinders
6
Forward gears
Not recorded
Full MT645E specs
ChallengerChallenger MT645B
vs
ChallengerChallenger MT645E

How they compare

Headline specs vs. the whole Agricultural

n = 795–1,130

Engine Power

▲ MT645E higher · +8 hp (+3%)
MT645B235 hp
MT645E243 hp
Median Agricultural Tractor110 hp

MT645B is in the 86th percentile; MT645E is in the 87th · 1,028 models

Engine Displacement

▲ MT645E higher · +64 ci (+14%)
MT645B449 ci
MT645E513 ci
Median Agricultural Tractor336 ci

MT645B is in the 79th percentile; MT645E is in the 88th · 1,083 models

Cylinders

= Effectively tied
MT645B6
MT645E6
Median Agricultural Tractor5.5

MT645B is in the 74th percentile; MT645E is in the 74th · 1,130 models

Operating Weight

▲ MT645E higher · +5,075 lb (+26%)
MT645B19,595 lb
MT645E24,670 lb
Median Agricultural Tractor10,914 lb

MT645B is in the 82nd percentile; MT645E is in the 91st · 971 models

MT645B (A)MT645E (B)Median Agricultural Tractor

Full comparison

Every spec, side by side

General Information

SpecChallenger MT645BChallenger MT645EDifference
ManufacturerChallengerChallengerSame
ModelMT645BMT645E—
CategoryAgriculturalAgriculturalSame

Engine

SpecChallenger MT645BChallenger MT645EDifference
ManufacturerSisuAGCO POWER—
Model74ETANot recorded—
Power Output235hp243hp▲ MT645E+8 hp · +3%
Rated RPM2,200RPM2,100RPM▲ MT645B+100 RPM · +5%
Cylinders66Same
Displacement449ci513ci▲ MT645E+64 ci · +14%
Bore4.3in4.4in▲ MT645E+0.1 in · +2%
Stroke5.3in5.7in▲ MT645E+0.4 in · +8%

Transmission

SpecChallenger MT645BChallenger MT645EDifference
Typecontinuously variable transmission (CVT)Techstar CVT (Continuously Variable transmission)—

Dimensions & Weight

SpecChallenger MT645BChallenger MT645EDifference
Length206in219in▲ MT645E+13 in · +6%
Width118inNot recorded—
Height124in141in▲ MT645E+17 in · +14%
Operating Weight19,595lb24,670lb▲ MT645E+5,075 lb · +26%

Hydraulics

SpecChallenger MT645BChallenger MT645EDifference
System TypePressure Flow Compensated (PFC)Closed center load sensing (CCLS)—
Steering TypeNot recordedHydrostatic Power—

Hitch & Towing

SpecChallenger MT645BChallenger MT645EDifference
Hitch TypeThree-Point HitchRear Hitch—
Hitch CategoryIIIIII / IVN—
Hitch PositionRearRearSame

Chassis & Drive

SpecChallenger MT645BChallenger MT645EDifference
Steering TypeNot recordedHydrostatic Power—

Electrical

SpecChallenger MT645BChallenger MT645EDifference
Starter TypeElectricElectricSame

Capacities

SpecChallenger MT645BChallenger MT645EDifference
Coolant8.9galNot recorded—

Operator Station

SpecChallenger MT645BChallenger MT645EDifference
TypeNot recordedCab—

Category context

Both models against the field

Engine Power

median 110 hp
A · 86th percentile (235 hp)B · 87th percentile (243 hp)

Engine Displacement

median 336 ci
A · 79th percentile (449 ci)B · 88th percentile (513 ci)

Cylinders

median 5.5
A · 74th percentile (6)B · 74th percentile (6)

Operating Weight

median 10,914 lb
A · 82nd percentile (19,595 lb)B · 91st percentile (24,670 lb)

Length

median 173 in
A · 82nd percentile (206 in)B · 89th percentile (219 in)
A · MT645BB · MT645EMedian Agricultural Tractor
Full spec pageChallenger MT645BFull spec pageChallenger MT645E