Compare/Challenger MT585E vs Challenger MT645E

Challenger MT585E vs Challenger MT645E

Verdict: Challenger MT585E vs Challenger MT645E

The Challenger MT585E and the Challenger MT645E are both tractors — here is how they stack up on the figures that matter. Challenger MT585E leads on rated power with 220 hp against 218 hp. Challenger MT645E holds more fuel (628.3 L vs 431.5 L) for longer stints between fills. Challenger MT585E is the newer design (2015 vs 2014). In short: choose the Challenger MT585E for outright pulling power, or the Challenger MT645E if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

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Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

Challenger

Fit score

Best match

Clear

Challenger

Fit score

Best match

Clear

Rated power

220 hp

218 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

Challenger (a part of AGCO)Reference

Gear 1C used for pull test.Reference

Pull at 2.45KPHReference

Differential lock

electro-hydraulic front and rearReference

electro-hydraulicReference

Steering

—

hydrostatic powerReference

Variants

7724

similar Massey Ferguson modelReference

—

8727

—

similar Massey Ferguson modelReference

Engine

Engine (gross)

164.1 kWReference

—

Engine (max)

193.9 kWReference

—

Drawbar (tested)

127.1 kWReference

155.9 kWReference

Displacement

7.4 LReference

8.4 LReference

Bore/Stroke

108 x 134 mmReference

111 x 145 mmReference

Emissions

Tier IVReference

Emission control

selective catalytic reduction (SCR)Reference

Rated Power (gross)

164.1 kWReference

—

Maximum Power (gross)

193.9 kWReference

—

Air cleaner

dry elementReference

—

Compression

17.8:1Reference

—

Rated RPM

2100Reference

Starter

electricReference

Starter volts

12Reference

Max power

127.1 kWReference

155.9 kWReference

Power at rated engine speed

149.9 kWReference

162.4 kWReference

Fuel Type

dieselReference

No of Cylinders

6 cylinderReference

6 CylinderReference

Rated engine speed

2,100 RPMReference

Emissions compliance

Tier IV | selective catalytic reduction (SCR)Reference

Bore and stroke

4.252x5.276 inchesReference

4.37x5.71 inchesReference

Compression ratio

17.8:1Reference

—

Cooling system

liquid-cooledReference

Engine

—

179.0 kWReference

Power

—

179.0 kWReference

Maximum Power

—

201.3 kWReference

Transmission

TechStarReference

Techstar CVTReference

Gears

infinite forward and reverseReference

infinite forward and reverse (2-range)Reference

Transmission Type

PowershiftReference

CVTReference

Wheel Drive

4 WDReference

4WDReference

forward and reverse options

—

continuously variable transmission - infinite F and (2-range) RReference

PTO & Hydraulics

PTO (claimed)

134.2 kWReference

152.9 kWReference

PTO (tested)

165.4 kWReference

180.9 kWReference

Hydraulic system

99.9 LReference

—

Type

continuously-variable transmission (CVT)Reference

continuously variable transmission (CVT)Reference

Capacity

99.9 LReference

512.6 ciReference

Pressure

200.0 barReference

Valves

4Reference

4 to 6Reference

SCV flow

99.9 lpmReference

—

Total flow

189.2 lpmReference

—

Rear Type

III/IIINReference

III/IVNReference

Rear lift (at ends)

7575 kgReference

11999 kgReference

Front Hitch

IIINReference

—

Front lift (at ends)

3607 kgReference

—

Rear PTO

independentReference

Rear PTO Type

540/540E/1000/1000EReference

1000/1000E (1.75)Reference

Power at rated PTO speed

161.5 kWReference

180.0 kWReference

Pump flow

—

204.4 lpmReference

Drawbar

—

Cat 4 (optional)Reference

Capacities

Fuel

431.5 LReference

—

Exhaust fluid (DEF)

41.6 LReference

59.8 LReference

Fuel tank

431.5 LReference

628.3 LReference

Diesel exhaust fluid (DEF) tank

41.6 LReference

59.8 LReference

Dimensions

Wheelbase

297 cmReference

309 cmReference

Weight

—

10800 kgReference

Length

—

555 cmReference

Height (cab)

—

358 cmReference

Shipping weight

—

10800 kgReference

Bar rear axle

—

109 by 2997 mmReference

Electrical

Ground

negativeReference

Charging system

alternatorReference

Battery volts

12Reference

Charging amps

—

240 (twin 120A)Reference

Charging volts

—

12Reference

Test results

Fuel use

45.0 l/hourReference

54.1 l/hourReference

Max pull

8219 kgReference

10319 kgReference

General

Make & Model

Challenger (a part of AGCO)Reference

Cruise control

AvailableReference

SCV control

joystickReference

—

Country of manufacturer

USAReference

Drawbar category

—

Cat. 3Reference

Rear Axle Type

—

Bar: 4.33 by 105 inchesReference

Power

Rated Power

220 hpReference

240 hpReference

PTO

PTO Power

180 hpReference

205 hpReference

Rear PTO Power

AvailableReference

Rear PTO RPM

1,000 RPMReference

Steering & brakes

Brakes

Hydraulic wet disc brakesReference

Steering type

Power steeringReference

hydrostatic powerReference

Hydraulics

Pump Rated Output (total)

50 gpmReference

—

Hydraulics Type

Closed-Center Load SensingReference

closed center load sensing (CCLS)Reference

Maximum operating pressure

2,900 psiReference

Remote Valves

4 ValvesReference

4 to 6 ValvesReference

Rear Hitch category (SAE designation)

Category III/IIINReference

Category III/IVNReference

Rear Hitch maximum lift capacity

7,575 kgReference

11,999.8 kgReference

Front Hitch category (SAE designation)

Category IIINReference

—

Capacity Valves

—

24 ValvesReference

Operator station

Cab Availability

TRUEReference

AvailableReference

Cab Air conditioning, temperature differential

Cab standard with air-conditioning. Auto-Guide 3,000Reference

—

Seat Suspension

AvailableReference

TrueReference

Dimensions & weight

Height Over Cab

—

358.1 cmReference

Overall Length

—

555.2 cmReference

Overall weight

—

10,800 kgReference

Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.