Challenger MT445 Specs ( 2002-2004 )
Production
| Description | Utility tractor / Built in England / The Challenger MT445 is similar to the Massey Ferguson 4233 and 4335. |
|---|---|
| Manufacturer | Challenger (a part of AGCO) |
Engine
| Cab Fuel tank | 34 gal (128.7 L) |
|---|---|
| Engine type | Perkins 4.2L 4-cyl diesel |
| ROPS Fuel tank | 29.1 gal (110.1 L) |
| Air cleaner | dual paper elements |
| Bore/Stroke | 4.055x5.00 inches (103 x 127 mm) |
| Compression | 17.3:1 |
| Description | Perkins 3054B / diesel / 4-cylinder / liquid-cooled |
| Displacement | 258 ci (4.2 L) |
| Pre-heating | thermostart |
| Rated RPM | 2200 |
| Starter volts | 12 |
| Drawbar (tested) | 60.2 hp (44.9 kW) |
| PTO (claimed) | 65 hp (48.5 kW) |
| PTO (tested) | 69.7 hp (52.0 kW) |
Transmission
| Clutch | wet disc |
|---|---|
| Gears | 24 forward and reverse / 12 forward and 4 reverse / 12 forward and reverse |
| Type | power shuttle / syncromesh / mechanical shuttle |
| Transmission type | 24-speed power shuttle / 12-speed syncromesh / 12-speed mechanical shuttle |
| Transmission type | 24-speed power shuttle / 12-speed syncromesh / 12-speed mechanical shuttle |
Mechanical
| Cab | Two-post folding ROPS. Cab available with air-conditioning. |
|---|---|
| Description | Power steering / Hydraulic wet disc brakes |
| Drive type | Two- or four-wheel drive |
Hydraulics
| Pressure | 3046 psi (210.0 bar) |
|---|---|
| SCV flow | 10 gpm (37.9 lpm) |
| Total flow | 25 gpm (94.6 lpm) |
| Type | open center |
| Valves | 2 to 4 |
Hitch
| Control | electronic draft control |
|---|---|
| Rear lift (at 24"/610mm) | 4100 lbs (1859 kg) |
| Rear Type | II |
PTO
| Rear PTO | independent |
|---|---|
| Rear PTO Type | 540/1000 |
Electrical
| Battery volts | 12 |
|---|---|
| Charging system | alternator |
| Ground | negative |
Dimensions & Tires
| Ag front | 12.4R24 |
|---|---|
| Ag rear | 13.6R38 |
| Height (cab) | 100 inches (254 cm) |
| Height (Folded ROPS) | 78 inches (198 cm) |
| Height (ROPS) | 103 inches (261 cm) |
| Length | 163 inches (414 cm) |
| Wheelbase | 93 inches (236 cm) |
| Width | 77 inches (195 cm) |
| Front tire | 12.4R24 |
| Rear tire | 13.6R38 |
| Weight | 6211 to 8170 pounds |
| Wheelbase | 93 inches (236 cm) |
Challenger MT445 Weight
| 2WD Cab | 7619 lbs (3455 kg) |
|---|---|
| 2WD ROPS | 6211 lbs (2817 kg) |
| 4WD Cab | 8170 lbs (3705 kg) |
| 4WD ROPS | 6546 lbs (2969 kg) |
OCED Tractor Test 1950
| Description | Diesel 12-speed 4WDOctober 2000 - December 2000, Link: OCED Tractor Test 1950 file / PTO performance / Drawbar performance / Gear 3M used for power test. / Gear 2L used for pull test. |
|---|---|
| Fuel use | 4.3 gal/hour (16.3 l/hour) / 4.0 gal/hour (15.1 l/hour) / 4.3 gal/hour (16.3 l/hour) |
| Max power | 60.2 hp (44.9 kW) |
| Max pull | 6970 lbs (3161 kg) |
| Power at rated engine speed | 69.7 hp (52.0 kW) |
| Power at rated PTO speed | 68 hp (50.7 kW) |
References
| Description | MT400 - Serious Machinery to take on any challenge published in 2002, by AGCO |
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