Compare/Challenger MT738 vs Challenger MT845

Challenger MT738 vs Challenger MT845

Verdict: Challenger MT738 vs Challenger MT845

The Challenger MT738 and the Challenger MT845 are both tractors — here is how they stack up on the figures that matter. Challenger MT845 leads on rated power with 380 hp against 374 hp. Challenger MT738 is the lighter machine (15,169 kg vs 18,144 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Challenger MT738 is the newer design (2018 vs 2002). In short: choose the Challenger MT845 for outright pulling power, or the Challenger MT738 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

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Acreage600 acBudgetMain crop / use

Fit & specs

Challenger

Fit score

Best match

Clear

Challenger

Fit score

Best match

Clear

Rated power

374 hp

380 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

Challenger (a part of AGCO)Reference

Pull at 3.52KPHReference

Gear 3 used for pull test.Reference

Drive

crawlerReference

Engine

Fuel tank

972.7 LReference

—

Exhaust fluid (DEF)

79.5 LReference

—

Engine (gross)

278.9 kWReference

283.4 kWReference

Drawbar (tested)

201.5 kWReference

222.2 kWReference

Displacement

9.8 LReference

11.9 LReference

Bore/Stroke

111 x 145 mmReference

130 x 150 mmReference

Rated Power (gross)

278.9 kWReference

—

Rated RPM

1700Reference

2100Reference

Starter type

electricReference

—

Power at rated engine speed

242.1 kWReference

251.9 kWReference

Max power

201.5 kWReference

222.2 kWReference

Power (gross)

—

283.4 kWReference

Air cleaner

—

dual paper elementsReference

Compression

—

16.0:1Reference

Starter volts

—

12Reference

Transmission

Accu-VTReference

CaterpillarReference

Gears

infinite forward and reverseReference

16 forward and 4 reverseReference

Clutch

—

hydraulic wet discReference

PTO & Hydraulics

PTO (claimed)

211.8 kWReference

233.4 kWReference

PTO (tested)

242.1 kWReference

293.2 kWReference

Type

infinitely-variable transmissionReference

full power shiftReference

Valves

4 to 6Reference

—

Pump flow

439.1 lpmReference

223.3 lpmReference

Rear Type

III/IVNReference

IVNReference

Rear lift

8618 kgReference

8845 kgReference

Power at rated PTO speed

241.5 kWReference

272.4 kWReference

Hydraulic system

—

264.9 LReference

Capacity

—

264.9 LReference

Pressure

—

200.0 barReference

Rear valves

—

4 to 6Reference

SCV flow

—

113.6 lpmReference

Rear PTO

—

independentReference

Rear PTO Type

—

1000 (1.75)Reference

Dimensions

Weight

15169 kgReference

18144 kgReference

Max weight

18597 kgReference

—

Front axle

BarReference

—

Gauge

182 to 304 cmReference

228 to 325 cmReference

Wheelbase

—

299 cmReference

Length

—

675 cmReference

Height (cab)

—

350 cmReference

Height (exhaust)

—

352 cmReference

Ground clearance

—

47 cmReference

Shipping

—

18144 kgReference

Ballasted

—

22680 kgReference

Electrical

Ground

negativeReference

Charging system

alternatorReference

Charging amps

—

160Reference

Batteries

—

3Reference

Battery volts

—

12Reference

Test results

Fuel use

64.7 l/hourReference

71.9 l/hourReference

Max pull

15461 kgReference

17350 kgReference

Capacities

Fuel

—

1249.0 LReference

Max capacity

—

27216 kgReference

MT845 Serial Numbers

2002

—

BPP20000Reference

2003

—

BPP30000Reference

2004

—

BPP40000Reference

Location:

—

Serial number plate on the left side of the tractor frame.Reference

Challenger MT845 Tracks

Width

—

360 cmReference

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.