Head to head · Utility

Challenger MT585B vs Challenger MT645C

Challenger MT585B Tractor
ChallengerModel A

Challenger MT585B

Utility

power
181 hp
displacement
449 ci
Cylinders
6
Forward gears
Not recorded
Full MT585B specs
Image not recorded
ChallengerModel B

Challenger MT645C

Utility

power
242 hp
displacement
513 ci
Cylinders
6
Forward gears
Not recorded
Full MT645C specs
ChallengerChallenger MT585B
vs
ChallengerChallenger MT645C

How they compare

Headline specs vs. the whole Utility

n = 4,321–5,720

Engine Power

▲ MT645C higher · +61 hp (+34%)
MT585B181 hp
MT645C242 hp
Median Utility Tractor55 hp

MT585B is in the 94th percentile; MT645C is in the 96th · 5,383 models

Engine Displacement

▲ MT645C higher · +64 ci (+14%)
MT585B449 ci
MT645C513 ci
Median Utility Tractor183 ci

MT585B is in the 93rd percentile; MT645C is in the 94th · 5,580 models

Cylinders

= Effectively tied
MT585B6
MT645C6
Median Utility Tractor4

MT585B is in the 93rd percentile; MT645C is in the 93rd · 5,720 models

Operating Weight

▲ MT645C higher · +7,935 lb (+44%)
MT585B17,860 lb
MT645C25,795 lb
Median Utility Tractor5,303 lb

MT585B is in the 94th percentile; MT645C is in the 96th · 5,107 models

MT585B (A)MT645C (B)Median Utility Tractor

Full comparison

Every spec, side by side

General Information

SpecChallenger MT585BChallenger MT645CDifference
ManufacturerChallengerChallengerSame
ModelMT585BMT645C—
CategoryUtilityUtilitySame

Engine

SpecChallenger MT585BChallenger MT645CDifference
ManufacturerSisu DieselAGCO—
ModelPower 74CTASisu Diesel (Serial No. T00767)—
Power Output181hp242hp▲ MT645C+61 hp · +34%
Rated RPM2,200RPM2,200RPMSame
Cylinders66Same
Displacement449ci513ci▲ MT645C+64 ci · +14%
Bore4.3in4.4in▲ MT645C+0.1 in · +2%
Stroke5.3in5.7in▲ MT645C+0.4 in · +8%

Transmission

SpecChallenger MT585BChallenger MT645CDifference
TypeContinuously Variable Transmission (CVT)Continuously variable transmission—

Dimensions & Weight

SpecChallenger MT585BChallenger MT645CDifference
Length200in223in▲ MT645C+23 in · +12%
Width118inNot recorded—
Height122in133in▲ MT645C+11 in · +9%
Operating Weight17,860lb25,795lb▲ MT645C+7,935 lb · +44%

Hydraulics

SpecChallenger MT585BChallenger MT645CDifference
System TypeClosed Center Pressure Flow CompensatedClosed center load sensing—
Steering TypeHydrostatic PowerNot recorded—

Tires

SpecChallenger MT585BChallenger MT645CDifference
Front Tire Size420/90R30Not recorded—
Rear Tire Size480/80R46Not recorded—

Hitch & Towing

SpecChallenger MT585BChallenger MT645CDifference
Hitch TypeQuick AttachThree-Point Hitch—
Hitch CategoryCategory 3III—
Hitch PositionRearRearSame
Hitch CapacityNot recorded26,460lb—

Chassis & Drive

SpecChallenger MT585BChallenger MT645CDifference
Chassis Type4x4Not recorded—
Drive Type4WDNot recorded—
Steering TypeHydrostatic PowerNot recorded—

Electrical

SpecChallenger MT585BChallenger MT645CDifference
Starter TypeElectric StarterElectric—

Capacities

SpecChallenger MT585BChallenger MT645CDifference
Coolant9galNot recorded—

Operator Station

SpecChallenger MT585BChallenger MT645CDifference
TypeCabNot recorded—

Category context

Both models against the field

Engine Power

median 55 hp
A · 94th percentile (181 hp)B · 96th percentile (242 hp)

Engine Displacement

median 183 ci
A · 93rd percentile (449 ci)B · 94th percentile (513 ci)

Cylinders

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

Operating Weight

median 5,303 lb
A · 94th percentile (17,860 lb)B · 96th percentile (25,795 lb)

Length

median 137 in
A · 94th percentile (200 in)B · 95th percentile (223 in)
A · MT585BB · MT645CMedian Utility Tractor
Full spec pageChallenger MT585BFull spec pageChallenger MT645C