Challenger MT645B Specs ( 2005-2008 )
Production
| Description | Row-Crop tractor / Built in Beauvais, France |
|---|---|
| Manufacturer | Challenger (a part of AGCO) |
Engine
| Engine type | Sisu 7.4L 6-cyl diesel |
|---|---|
| Air cleaner | dual paper elements |
| Bore/Stroke | 4.251x5.278 inches (108 x 134 mm) |
| Compression | 17.5:1 |
| Coolant capacity | 35.6 qts (33.7 L) |
| Description | Sisu 74ETA / turbocharged diesel / 6-cylinder 24-valve / liquid-cooled vertical inline |
| Displacement | 449 ci (7.4 L) |
| Oil capacity | 20 qts (18.9 L) |
| Power | 235 hp (175.2 kW) |
| Pre-heating | 1000W coolant heater OptOptional |
| Rated RPM | 2200 |
| Starter volts | 12 |
| Drawbar (tested) | 172.30 hp (128.5 kW) |
| PTO (claimed) | 200 hp (149.1 kW) |
| PTO (tested) | 222.9 hp (166.2 kW) |
Transmission
| Description | continuously variable transmission (CVT) |
|---|---|
| Gears | infinite forward and reverse (2-range) |
| Oil capacity | 70.8 qts (67.0 L) |
| Transmission | TechStar |
| Type | continuously variable transmission (CVT) |
Mechanical
| Cab | Cab standard with heat and A/C. Optional pneumatic cab suspension and automatic climate control. |
|---|---|
| Description | Power steering / Hydraulic wet disc brakes |
| Differential lock | electrohydraulic front and rear |
| Drive type | Four-wheel drive |
| Final drives | inboard planetary |
| Trailer brakes | hydraulic OptOptional |
Capacity
| Fuel | 159 gal (601.8 L) |
|---|---|
| Hydraulic system | 26.4 gal (99.9 L) |
Hydraulics
| Capacity | 26.4 gal (99.9 L) |
|---|---|
| Pressure | 2900 psi (200.0 bar) |
| Total flow | 39 gpm (147.6 lpm) |
| Type | pressure flow compensated (PFC) |
| Valves | 4 to 6 |
Hitch
| Front Hitch | II OptOptional |
|---|---|
| Front lift | 7,700 lbs (3492 kg) |
| Rear lift (at 24"/610mm) | 15,600 lbs (7076 kg) |
| Rear Type | III |
PTO
| Clutch | electro-hydraulic wet disc |
|---|---|
| Engine RPM | 540@2037 |
| Rear PTO | independent |
| Rear PTO Type | 540 (1.375) |
Electrical
| Batteries | 2 |
|---|---|
| Battery CCA | 775 |
| Battery volts | 12 |
| Charging amps | 150 |
| Charging system | alternator |
| Ground | negative |
Dimensions & Tires
| Ag front | 380/85R34 |
|---|---|
| Ag rear | 480/80R46 |
| Bar rear axle | 4.33 by 118 inches (109 by 2997 mm) |
| Ground clearance | 22.4 inches (56 cm) |
| Height (cab) | 123.6 inches (313 cm) |
| Length | 206 inches (523 cm) |
| Rear tread | 60 to 88 inches (152 to 223 cm) |
| Wheelbase | 121.1 inches (307 cm) |
| Width | 118 inches (299 cm) |
| Front tire | 380/85R34 |
| Rear tire | 480/80R46 |
| Weight | 18308 to 19595 pounds |
| Wheelbase | 121.1 inches (307 cm) |
Challenger MT645B Weight
| Max Drawbar | 5620 lbs (2549 kg) |
|---|---|
| Max front axle | 10861 lbs (4926 kg) |
| Max rear axle | 17044 lbs (7731 kg) |
| Operating | 19,595 lbs (8888 kg) |
| Shipping | 18,308 lbs (8304 kg) |
OCED Tractor Test 1876
| Description | Diesel CVT 4WDApril 12 - 20, 2006Link: OCED Tractor Test 1876 file / PTO performance / Drawbar performance / Pull at 9.6 KPH / Pull at 10 KPH |
|---|---|
| Fuel use | 11.8 gal/hour (44.7 l/hour) / 12.1 gal/hour (45.8 l/hour) / 12.0 gal/hour (45.4 l/hour) / 12.0 gal/hour (45.4 l/hour) |
| Max power | 222.9 hp (166.2 kW) / 172.30 hp (128.5 kW) |
| Max pull | 16,954 lbs (7690 kg) |
| Power at rated engine speed | 204.79 hp (152.7 kW) |
| Power at rated PTO speed | 221.55 hp (165.2 kW) |
References
| Description | Challenger MT600B Seires published in 2005, by AGCO / Challenger MT600B Product Information Guide published in 2005, by AGCO / Challenger Specialty Wheel Tractors published in 2007 |
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