Challenger MT445B Specs ( 2004-2013 )
Production
| Description | Utility tractor / Built in Beauvais, France / The Challenger MT445B is similar to the Massey Ferguson 5445. |
|---|---|
| Manufacturer | Challenger (a part of AGCO) |
Engine
| Engine type | Caterpillar 4.4L 4-cyl diesel |
|---|---|
| Fuel tank | 40 gal (151.4 L) |
| Air cleaner | dual paper elements |
| Bore/Stroke | 4.134x5.00 inches (105 x 127 mm) |
| Compression | 17.5:1 |
| Description | 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) |
| Emissions | Tier 2 |
| Power | 85 hp (63.4 kW) |
| Rated RPM | 2200 |
| Starter volts | 12 |
| Drawbar (tested) | 60.5 hp (45.1 kW) |
| PTO (claimed) | 70 hp (52.2 kW) |
| PTO (tested) | 75.9 hp (56.6 kW) |
Transmission
| Clutch | wet disc |
|---|---|
| Description | Four power shift gears in four ranges. |
| Gears | 16 forward and reverse |
| Transmission | Autopower IV |
| Transmission type | 16-speed four speed power shift |
| Type | four speed power shift |
Mechanical
| Cab | ROPS. Cab optional with air-conditioning. |
|---|---|
| Description | Hydraulic wet disc brakes |
| Differential lock | electro-hydraulic |
| Drive type | Two- or four-wheel drive |
| Final drives | inboard planetary |
| Steering | hydrostatic power |
Hydraulics
| Cab Type | closed center load sensing |
|---|---|
| Pressure | 2900 psi (200.0 bar) |
| Pump flow | 26.4 gpm (open center) (99.9 lpm) |
| ROPS Type | open center |
| Valves | 2 to 4 |
Hitch
| Control | electronic top-link draft control |
|---|---|
| Rear Arms | telescopic stabilizers and link ends |
| Rear lift (at 24"/610mm) | 7285 lbs (3304 kg) |
| Rear Type | II |
PTO
| Clutch | electro-hydraulic wet disc |
|---|---|
| Rear PTO | independent |
| Rear PTO Type | 540/1000 |
Electrical
| Battery volts | 12 |
|---|---|
| Ground | negative |
Dimensions & Tires
| Ag front | 10.00-16 (2WD) |
|---|---|
| Ag rear | 480/70R38 |
| Description | Flange rear axle |
| Weight | 8,840 lbs (2WD) (4009 kg) |
| Wheelbase | 97 inches (246 cm) |
| Front tire | 10.00-16 |
| Rear tire | 480/70R38 |
| Weight | 8840 to 9445 pounds |
| Wheelbase | 97 inches (246 cm) |
OCED Tractor Test 2291
| Description | Diesel 16-speed 4WDSeptember 2004 - 2004, Link: OCED Tractor Test 2291 file / PTO performance / Drawbar performance / Gear 1LC used for power test. / Gear 2TC used for pull test. |
|---|---|
| Fuel use | 4.7 gal/hour (17.8 l/hour) / 5.0 gal/hour (18.9 l/hour) / 4.8 gal/hour (18.2 l/hour) / 4.9 gal/hour (18.5 l/hour) |
| Max power | 75.9 hp (56.6 kW) / 60.5 hp (45.1 kW) |
| Max pull | 8680 lbs (3937 kg) |
| Power at rated engine speed | 70.7 hp (52.7 kW) |
| Power at rated PTO speed | 73.4 hp (54.7 kW) |
References
| Description | Challenger MT400B Product Information Guide published in 2003, by AGCO / Challenger MT400B Series published in 2004, by AGCO / Challenger Specialty Wheel Tractors published in 2007 |
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