Challenger MT445B tractor specifications

2004 - 2013

2004 - 2013 Model year 2004-20072008-2013 MT400B SeriesUtility tractor

Production

Production Manufacturer:Challenger (a part of AGCO)
Type:Utility tractor
Factory:Beauvais, France
The Challenger MT445B is similar to the Massey Ferguson 5445.

Challenger MT445B Power

Challenger MT445B Power Engine:85 hp
63.4 kW
PTO (claimed):70 hp
52.2 kW
Drawbar (tested):60.5 hp
45.1 kW
PTO (tested):75.9 hp
56.6 kW
power test details ...

2004 - 2013

Model year 2004-20072008-2013

MT400B Series

Utility tractor

OCED Tractor Test 2291

OCED Tractor Test 2291
Diesel 16-speed 4WD September 2004 - 2004, Link: OCED Tractor Test 2291 file
PTO performance
Max power:	75.9 hp 56.6 kW
Fuel use:	4.7 gal/hour 17.8 l/hour
Power at rated engine speed:	70.7 hp 52.7 kW
Fuel use:	5.0 gal/hour 18.9 l/hour
Power at rated PTO speed:	73.4 hp 54.7 kW
Fuel use:	4.8 gal/hour 18.2 l/hour
Drawbar performance
Max power:	60.5 hp 45.1 kW
Fuel use:	4.9 gal/hour 18.5 l/hour
Gear 1LC used for power test.
Max pull:	8680 lbs 3937 kg
Gear 2TC used for pull test.

Challenger MT445B Engine

Challenger MT445B Engine Caterpillar 4.4L 4-cyl diesel Fuel tank:40 gal
151.4 L
Engine details ...

2004 - 2013

Model year 2004-20072008-2013

MT400B Series

Utility tractor

Engine Detail

Engine Detail
Caterpillar 3054T
turbocharged diesel
4-cylinder
liquid-cooled vertical
This engine was alternative branded as a Perkins 1104C depending on market.
Displacement:	268 ci 4.4 L
Bore/Stroke:	4.134x5.00 inches 105 x 127 mm
Emissions:	Tier 2
Power:	85 hp 63.4 kW
Air cleaner:	dual paper elements
Compression:	17.5:1
Rated RPM:	2200
Starter volts:	12

Mechanical

Mechanical Chassis:4x2 2WD
4x4 MFWD 4WD
Final drives:inboard planetary
Differential lock:electro-hydraulic
Steering:hydrostatic power
Brakes:hydraulic wet disc
Cab:ROPS. Cab optional with air-conditioning.
Transmission:16-speed four speed power shift
Transmission details ...

2004 - 2013

Model year 2004-20072008-2013

MT400B Series

Utility tractor

Transmission

Transmission
Transmission:	Autopower IV
Type:	four speed power shift
Gears:	16 forward and reverse
Clutch:	wet disc
Four power shift gears in four ranges.

Hydraulics

Hydraulics ROPS Type:open center
Cab Type:closed center load sensing
Pressure:2900 psi
200.0 bar
Valves:2 to 4
Pump flow:26.4 gpm
99.9 lpm (open center)
29 gpm
109.8 lpm (CCLS)

Tractor hitch

Tractor hitch Rear Type:II
Control:electronic top-link draft control
Rear lift (at 24"/610mm):7285 lbs
3304 kg
Rear Arms:telescopic stabilizers and link ends