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Tractor · 2005Unverified

Challenger MT855B

Name: Challenger MT855B
Brand: Challenger

Challenger MT855B — MT800B Series · 460 hp. Reference specifications; pending source verification.

The Challenger MT855B is a tractor model with a rated power of 460 hp, positioning it at the more powerful end of its class. It was manufactured between 2005 and 2008. The tractor features a 6-cylinder turbocharged diesel liquid-cooled engine and a tracked undercarriage, paired with a powershift transmission, and has a listed operating weight of 18597 kg. It is suitable for operations covering 1,500+ acres.

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

Rated power

460 hp

Max power

346.9 kW

Weight

18597 kg

Catalogue coverage

Variants represented

Richest spec table

71 rows

Recorded power

460 hp

Recorded weight

18597 kg

Transmissions

16-speed full power shift

Production years

2005-2008

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

Agricultural Crawler tractorReference

Built in Jackson, Minnesota, USAReference

DrivecrawlerReference

Hydraulic wet disc brakesReference

Cab standard with air-conditioning.Reference

Engine

Caterpillar 15.2L 6-cyl dieselReference

Fuel tank1154.4 LReference

Fuel tank1249.0 LReference

Engine (gross)343.0 kWReference

Drawbar (tested)267.1 kWReference

Caterpillar C15Reference

turbocharged dieselReference

6-cylinder 24-valveReference

liquid-cooled inlineReference

Displacement15.2 LReference

Bore/Stroke137 x 172 mmReference

EmissionsTier IIIReference

Power (gross)343.0 kWReference

Air cleanerdual paper elementsReference

Compression16.5:1Reference

Rated RPM2100Reference

Torque1929.6 NmReference

Torque RPM1300Reference

Starter volts12Reference

Max power346.9 kWReference

Power at rated engine speed307.4 kWReference

Max power267.1 kWReference

Transmission

16-speed full power shiftReference

TransmissionCat PowershiftReference

Typefull power shiftReference

Gears16 forward and 4 reverseReference

PTO & Hydraulics

PTO (claimed)287.1 kWReference

PTO (tested)346.9 kWReference

Typeclosed center PFCReference

Pressure200.0 barReference

Rear valves4 to 6Reference

Total flow164.6 lpmReference

Total flow223.3 lpmReference

Rear TypeIII/IVNReference

Rear lift8845 kgReference

Rear PTOindependentReference

Rear PTO Type1000 (1.75)Reference

Power at rated PTO speed331.2 kWReference

Dimensions

Wheelbase299 cmReference

Weight18597 kgReference

27.5-inch tracksReference

Length675 cmReference

Width357 cmReference

Height350 cmReference

Shipping weight18597 kgReference

Max weight22680 kgReference

Ground clearance36 cmReference

Electrical

GroundnegativeReference

Charging amps185Reference

Batteries4Reference

Battery CCA1000Reference

Battery volts12Reference

Challenger MT855B Tracks

Width69 cmReference

Width76 cmReference

Width91 cmReference

Test results

Diesel 16-speed crawlerOctober 6 - 21, 2005Link: OCED Tractor Test 1862 fileReference

PTO performanceReference

Fuel use95.8 l/hourReference

Fuel use92.7 l/hourReference

Fuel use96.9 l/hourReference

Drawbar performanceReference

Fuel use90.5 l/hourReference

Gear 6 used for power test.Reference

Max pull19034 kgReference

Gear 3 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.

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