Embed

Paste on your site — shows live UK/US specs and links back here. Free to use.

<iframe src="https://farmfleetspecs.com/embed/challenger-mt445" width="100%" height="430" loading="lazy" style="border:1px solid #e6e8e4;border-radius:14px;max-width:560px" title="Challenger MT445 specs — FarmFleetSpecs"></iframe>

Tractor · 2002Unverified

Challenger MT445

Name: Challenger MT445
Brand: Challenger

Challenger MT445 — MT400 Series · 70 hp. Reference specifications; pending source verification.

The Challenger MT445 is a tractor with a rated power output of 70 hp, a mid-range figure for its class. Manufactured from 2002 to 2004, this model features a 4-cylinder diesel liquid-cooled engine, paired with four-wheel drive and a 24-speed gearbox. Its listed operating weight ranges from 6211 to 8170 pounds, making it suitable for operations of up to 200 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

70 hp

Max power

44.9 kW

Weight

6211 to 8170 pounds

Catalogue coverage

Variants represented

Richest spec table

76 rows

Recorded power

70 hp

Transmissions

24-speed power shuttle

Production years

2002-2004

Verified variants

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

Hover a source tag to verify

Overview

ManufacturerChallenger (a part of AGCO)Reference

Utility tractorReference

Built in EnglandReference

The Challenger MT445 is similar to the Massey Ferguson 4233 and 4335.Reference

Two- or four-wheel driveReference

Power steeringReference

Hydraulic wet disc brakesReference

Two-post folding ROPS. Cab available with air-conditioning.Reference

Engine

Perkins 4.2L 4-cyl dieselReference

ROPS Fuel tank110.1 LReference

Cab Fuel tank128.7 LReference

Cab Fuel tank189.2 LReference

Drawbar (tested)44.9 kWReference

Perkins 3054BReference

dieselReference

4-cylinderReference

liquid-cooledReference

Displacement4.2 LReference

Bore/Stroke103 x 127 mmReference

Air cleanerdual paper elementsReference

Pre-heatingthermostartReference

Compression17.3:1Reference

Rated RPM2200Reference

Starter volts12Reference

Power at rated engine speed52.0 kWReference

Max power44.9 kWReference

Transmission

24-speed power shuttleReference

12-speed syncromeshReference

12-speed mechanical shuttleReference

Typepower shuttleReference

Gears24 forward and reverseReference

Clutchwet discReference

TypesyncromeshReference

Gears12 forward and 4 reverseReference

Typemechanical shuttleReference

Gears12 forward and reverseReference

PTO & Hydraulics

PTO (claimed)48.5 kWReference

PTO (tested)52.0 kWReference

Typeopen centerReference

Pressure210.0 barReference

Valves2 to 4Reference

SCV flow37.9 lpmReference

Total flow94.6 lpmReference

Rear TypeIIReference

Controlelectronic draft controlReference

Rear lift (at 24"/610mm)1859 kgReference

Rear lift (at 24"/610mm)2812 kgReference

Rear PTOindependentReference

Rear PTO Type540/1000Reference

Power at rated PTO speed50.7 kWReference

Dimensions

Wheelbase236 cmReference

Weight6211 to 8170 poundsReference

Front tire12.4R24Reference

Rear tire13.6R38Reference

Ag front12.4R24Reference

Ag rear13.6R38Reference

Length414 cmReference

Width195 cmReference

Height (ROPS)261 cmReference

Height (Folded ROPS)198 cmReference

Height (cab)254 cmReference

2WD ROPS2817 kgReference

4WD ROPS2969 kgReference

2WD Cab3455 kgReference

4WD Cab3705 kgReference

Electrical

GroundnegativeReference

Charging systemalternatorReference

Battery volts12Reference

Test results

Diesel 12-speed 4WDOctober 2000 - December 2000, Link: OCED Tractor Test 1950 fileReference

PTO performanceReference

Fuel use16.3 l/hourReference

Fuel use15.1 l/hourReference

Drawbar performanceReference

Gear 3M used for power test.Reference

Max pull3161 kgReference

Gear 2L used for pull test.Reference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

Partner tool · Free

Working out if you can afford this tractor?

YourIncomeCalculator.com — free, HMRC-aligned take-home pay, self-employment & VAT calculators. No sign-up.

Calculate your take-home pay

Recommended kit

Handy kit for owners

Popular tractor and farm accessories owners pick up for machines like this.

Disclosure: some links on this page are affiliate links. If you buy through them we may earn a small commission — at no extra cost to you. Learn more.