Compare/Challenger MT740 vs Challenger MT845B

Challenger MT740 vs Challenger MT845B

Verdict: Challenger MT740 vs Challenger MT845B

The Challenger MT740 and the Challenger MT845B are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 400 hp. Challenger MT740 is the lighter machine (15,169 kg vs 41,000 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Challenger MT845B holds more fuel (1154.4 L vs 681.3 L) for longer stints between fills. Challenger MT740 is the newer design (2018 vs 2005). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.

Tune the fit score

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

400 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

Challenger (a part of AGCO)Reference

Pull at 3.49KPHReference

Gear 3 used for pull test.Reference

Drive

crawlerReference

Engine

Fuel tank

972.7 LReference

1249.0 LReference

Exhaust fluid (DEF)

79.5 LReference

—

Engine (gross)

298.3 kWReference

Drawbar (tested)

218.5 kWReference

233.6 kWReference

Displacement

9.8 LReference

15.2 LReference

Bore/Stroke

111 x 145 mmReference

137 x 172 mmReference

Rated Power (gross)

298.3 kWReference

—

Rated RPM

1700Reference

2100Reference

Starter type

electricReference

—

Max power

218.5 kWReference

233.6 kWReference

Power at rated engine speed

257.5 kWReference

268.1 kWReference

Emissions

—

Tier IIIReference

Power (gross)

—

298.3 kWReference

Air cleaner

—

dual paper elementsReference

Compression

—

16.5:1Reference

Torque

—

1929.6 NmReference

Torque RPM

—

1300Reference

Starter volts

—

12Reference

Transmission

Accu-VTReference

Cat PowershiftReference

Gears

infinite forward and reverseReference

16 forward and 4 reverseReference

Clutch

—

hydraulic wet discReference

PTO & Hydraulics

PTO (claimed)

231.2 kWReference

249.8 kWReference

PTO (tested)

261.7 kWReference

300.0 kWReference

Type

infinitely-variable transmissionReference

full power shiftReference

Valves

4 to 6Reference

—

Pump flow

439.1 lpmReference

—

Rear Type

III/IVNReference

Rear lift

8618 kgReference

8845 kgReference

Power at rated PTO speed

260.6 kWReference

288.6 kWReference

Pressure

—

200.0 barReference

Rear valves

—

4 to 6Reference

Total flow

—

223.3 lpmReference

Rear PTO

—

independentReference

Rear PTO Type

—

1000 (1.75)Reference

Dimensions

Weight

15169 kgReference

41000 to 43075 poundsReference

Max weight

18597 kgReference

—

Front axle

BarReference

—

Gauge

182 to 304 cmReference

—

Wheelbase

—

299 cmReference

Length

—

675 cmReference

Height

—

350 cmReference

Ground clearance

—

36 cmReference

Shipping

—

18597 kgReference

Operating

—

19538 kgReference

Electrical

Ground

negativeReference

Charging system

alternatorReference

—

Charging amps

—

185Reference

Batteries

—

4Reference

Battery CCA

—

1000Reference

Battery volts

—

12Reference

Test results

Fuel use

69.6 l/hourReference

89.3 l/hourReference

Max pull

15441 kgReference

19292 kgReference

Challenger MT845B Tracks

Width

—

357 cmReference

Capacities

Max capacity

—

22680 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.