Skip to content
An independent tractor reference
TractorStack.

Find your tractor.

Menu ☰

Years in Production / 2007–2009

Challenger

MT945B

Explore the specifications, hardware, and original references for the Challenger MT945B.

Generic tractor; no model photo available
No photo

430hp

Source index power

4x4 Only

Drive

2007–2009

Production years

Challenger

Manufacturer

MT945B / 01

At a glance

Overview

2007 - 2009

900B Series

Four-wheel Drive (4WD) tractor

Production

Four-wheel Drive (4WD) tractor

Built in Jackson, Minnesota, USA

Manufacturer
Challenger (a part of AGCO)

Mechanical

Four-wheel drive

Articulated power steering

Wet disc brakes

Cab standard with air-conditioning.

Final Drives
inboard planetary
Differential Lock
electro-hydraulic front and rear optional

Hydraulics

Type
closed center PFC
Pressure
2900 psi200.0 bar
Rear Valves
4 to 6
Total Flow
43.5 gpm164.6 lpm
Total Flow
59 gpmOptOptional223.3 lpm

Hitch

Rear Type
IVN/III OptOptional
Rear Type
IV OptOptional
Rear Lift
19500 lbs8845 kg

Pto

Rear Pto
independent OptOptional
Rear Type
1000 (1.75)
Engine Rpm
1000@2000

Electrical

Ground
negative
Charging System
alternator
Charging Amps
185
Batteries
4
Battery Cca
1000
Battery Volts
12

MT945B / 02

Under the hood

Engine Detail

Caterpillar C15

turbocharged aftercooled diesel

6-cylinder 24-valve

liquid-cooled inline

Displacement
923 ci15.1 L
Bore Stroke
5.402x6.748 inches137 x 171 mm
Emissions
Tier III
Power
430 hp320.7 kW
Air Cleaner
dual dry element
Compression Ratio
18:1
Rated Rpm
2100
Cylinders
6
Cooling
liquid-cooled inline

Engine Options

Caterpillar 15.1L 6-cyl diesel

Fuel Tank
390 gal1476.2 L

MT945B / 03

Gears & controls

Transmission

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

Challenger Mt945b Transmission

16-speed full power shift

MT945B / 04

Size. Stance. Footprint.

Dimensions

Length
298 in756 cm
Width
200 in508 cm
Height (cab)
151 in383 cm
Wheelbase
155.5 in394 cm
Ground clearance
17.5 in44 cm

Dimensions And Tires

Wheelbase
155.5 inches394 cm
Weight
39266 lbs17811 kg
Front Tire
710/70R42
Rear Tire
710/70R42

Tires And Tracks

Front Ag
710/70R42
Rear Ag
710/70R42

MT945B / 05

Tests (NTTL)

Oced Tractor Test1928

Diesel power shift 4WDMay 27 - June 6, 2008Link: OCED Tractor Test 1928 file

PTO performance

Drawbar performance

Gear 8 used for power test.

Gear 2 used for pull test.

Max Power
416.25 hp310.4 kW
Max Power
372.72 hp277.9 kW
Fuel Use
23.9 gal/hour90.5 l/hour
Fuel Use
23.0 gal/hour87.1 l/hour
Fuel Use
23.5 gal/hour88.9 l/hour
Fuel Use
24.6 gal/hour93.1 l/hour
Power At Rated Engine Speed
363.35 hp271.0 kW
Power At Rated Pto Speed
383.04 hp285.6 kW
Max Pull
49755 lbs22568 kg