Challenger MT955B

The Challenger MT955B is a tractor produced by Challenger. It is equipped with a 923 ci 15.1 L engine. The rated power output is 460 hp 343.0 kW. Transmission: 16 forward and 4 reverse. Operating weight: 39266 lbs 17811 kg.

Overview

	2007 - 2009 900B SeriesFour-wheel Drive (4WD) tractor
2007 - 2009
900B Series
Four-wheel Drive (4WD) tractor

Production
Manufacturer	Challenger (a part of AGCO)
Four-wheel Drive (4WD) tractor
Built in Jackson, Minnesota, USA

Challenger MT955B Engine
Caterpillar 15.1L 6-cyl diesel
Fuel tank	390 gal 1476.2 L
Engine details ...

Challenger MT955B Transmission
16-speed full power shift
Transmission details ...

Challenger MT955B Power
Engine	460 hp 343.0 kW
PTO (claimed)	385 hp 287.1 kW
Drawbar (tested)	399.53 hp 297.9 kW
PTO (tested)	451.08 hp 336.4 kW
Performance test details ...

Mechanical
Four-wheel drive
Final drives	inboard planetary
Differential lock	electro-hydraulic front and rear optional
Articulated power steering
Wet disc brakes
Cab standard with air-conditioning.

Hydraulics
Type	closed center PFC
Pressure	2900 psi 200.0 bar
Rear valves	4 to 6
Total flow	43.5 gpm 164.6 lpm
	59 gpmOptOptional 223.3 lpm

Tractor hitch
Rear Type	IVN/III OptOptional
	IV OptOptional
Rear lift	19500 lbs 8845 kg

Power Take-off (PTO)
Rear PTO	independent OptOptional
Rear PTO Type	1000 (1.75)
Engine RPM	1000@2000

Dimensions & Tires
Wheelbase	155.5 inches 394 cm
Weight	39266 lbs 17811 kg
Front tire	710/70R42
Rear tire	710/70R42
Full dimensions and tires ...

Electrical
Ground	negative
Charging system	alternator
Charging amps	185
Batteries	4
Battery CCA	1000
Battery volts	12

References
Challenger MT900B Series published in 2006, by AGCO
Challenger MT900B Series published in 2007, by AGCO

Engine

Engine Detail — 923 ci / 15.1 L Diesel

Manufacturer	Caterpillar C15
Configuration	turbocharged aftercooled diesel, 6-cylinder 24-valve, liquid-cooled inline
Displacement	923 ci 15.1 L
Bore/Stroke	5.402x6.748 inches 137 x 171 mm
Emissions	Tier III
Power	460 hp 343.0 kW
Air cleaner	dual dry element
Compression	18:1
Rated RPM	2100

Challenger MT955B Engine

Transmission

Transmission — 16 forward and 4 reverse full power shift

Type	full power shift
Gears	16 forward and 4 reverse
Clutch	hydraulic wet discs

Dimensions

Challenger MT955B Tires
Ag front	710/70R42
Ag rear	710/70R42

Dimensions
Wheelbase	155.5 inches 394 cm
Length	298 inches 756 cm
Width	200 inches 508 cm
Height (cab)	151 inches 383 cm
Shipping weight	39266 lbs 17811 kg
Max weight	54000 lbs 24494 kg
Ground clearance	17.5 inches 44 cm
Front axle	5.71 inch diameter 145 mm
Rear axle	5.71 inch diameter 145 mm

Tests

OCED Tractor Test 1929
Diesel power shift 4WD May 20 - June 2, 2008 Link: OCED Tractor Test 1929 file
PTO performance
Max power	451.08 hp 336.4 kW
Fuel use	26.0 gal/hour 98.4 l/hour
Power at rated engine speed	404.69 hp 301.8 kW
Fuel use	24.9 gal/hour 94.2 l/hour
Power at rated PTO speed	434.63 hp 324.1 kW
Fuel use	25.9 gal/hour 98.0 l/hour
Drawbar performance
Max power	399.53 hp 297.9 kW
Fuel use	25.8 gal/hour 97.7 l/hour
Gear 8 used for power test.
Max pull	51175 lbs 23212 kg
Gear 3 used for pull test.

Photos

Challenger MT955B tractor photo