Challenger
Challenger MT645C
The Challenger MT645C is a row-crop tractor produced from 2009 to 2010 as part of the MT600C Series. Manufactured by Challenger, a part of AGCO, it was built in Beauvais, France. The tractor features a powerful AGCO SISU POWER 8.4L 6-cylinder turbocharged intercooled diesel engine with selective catalytic reduction (SCR) emission control. It has a continuously variable Techstar CVT transmission with infinite forward and reverse gears. The MT645C offers 240 hp gross engine power and tested PTO power up to 250 hp. It includes four-wheel drive, electro-hydraulic differential locks, hydraulic wet disc brakes, and a comfortable cab with heating and air conditioning. Hydraulics are closed center load sensing with up to 6 valves and a total flow of 46.2 gpm. The tractor hitch supports category III with electronic lower-link draft sensing and strong lift capacities front and rear. PTO options include independent rear and optional front PTOs. Dimensions include a 122.2 inch wheelbase, 223.2 inch length, and 133.1 inch cab height. Standard tires are 480/70R34 front and 520/85R46 rear. The MT645C supports front-end loader attachments with various lift and breakout capacities. Electrical system features dual 120A alternators and two 12V batteries. Original price was $206,331 in 2009.
Power240 hp
Founded2009 - 2010
ModelMT645C
Technical Specifications
Detailed specifications and technical data for Challenger MT645C
Power
| PTO (tested) | 250.0 hp (186.4 kW) |
|---|---|
| PTO (claimed) | 205 hp (152.9 kW) |
| Engine (gross) | 240 hp (179.0 kW) |
| Drawbar (tested) | 180.1 hp (134.3 kW) |
Tires
| Standard tires (ag) | Front: 480/70R34. Rear: 520/85R46 |
|---|
Engine
| Type | turbocharged intercooled diesel |
|---|---|
| Model | AGCO SISU POWER 84CTA |
| Torque | 874 lb-ft (1185.1 Nm) |
| Cooling | liquid-cooled |
| Starter | electric |
| Cylinders | 6-cylinder |
| Emissions | Interim Tier 4 |
| Rated RPM | 2200 |
| Torque RPM | 1500 |
| Bore/Stroke | 4.37x5.71 inches (111 x 145 mm) |
| Compression | 16.7:1 |
| Fuel system | electronic high-pressure common rail |
| Displacement | 512.6 ci (8.4 L) |
| Maximum Power | 270 hp (201.3 kW) |
| Power (gross) | 240 hp (179.0 kW) |
| Starter volts | 12 |
| Emission control | selective catalytic reduction (SCR), integrated exhaust gas recirculation optional (IECR) |
Weight
| Shipping | 24,250 lbs (10999 kg) |
|---|---|
| Operating | 25,795 lbs (11700 kg) |
| Max capacity | 38,890 lbs (17640 kg) |
Dimensions
| Length | 223.2 inches (566 cm) |
|---|---|
| Wheelbase | 122.2 inches (310 cm) |
| Rear tread | 58.5 to 119.5 inches (148 to 303 cm) |
| Front tread | 73.1/76.9 inches (185/195 cm) |
| Height (cab) | 133.1 inches (338 cm) |
| Bar rear axle | 4.33 by 118 inches (109 by 2997 mm) |
| Front tread adjustable | 60.9 to 88.8 inches (154 to 225 cm) |
Electrical
| Ground | negative |
|---|---|
| Batteries | 2 |
| Battery CCA | 775 |
| Battery volts | 12 |
| Charging amps | 240 (Two 120A alternators) |
| Charging system | alternator |
Hydraulics
| Type | closed center load sensing |
|---|---|
| Valves | 4 to 6 |
| Pressure | 2,901 psi (200.0 bar) |
| Pump flow | 26.4 gpm (99.9 lpm) |
| Total flow | 46.2 gpm (174.9 lpm) |
Mechanical
| Cab | standard with heat and air-conditioning. Optional heated seat, power adjustable mirrors, and automatic temperature control. |
|---|---|
| Drive | Four-wheel drive |
| Brakes | Hydraulic wet disc brakes |
| Final drives | planetary |
| Power steering | yes |
| Differential lock | electro-hydraulic front and rear |
Production
| Type | Row-Crop tractor |
|---|---|
| Series | MT600C Series |
| Built in | Beauvais, France |
| Original price | $206,331 in 2009 |
| Years produced | 2009 - 2010 |
Attachments
| Dump angle | 55° |
|---|---|
| Bucket widths | 83 inches (210 cm), 95 inches (241 cm), 102 inches (259 cm) |
| Height at pin | 187 inches (474 cm) |
| Front-end loader | ML99B Loader |
| Breakout force at pin | 7700 lbs (3492 kg) |
| Breakout force bucket | 10560 lbs (4790 kg) |
| Boom cylinder diameter | 3.54 inches (8 cm) |
| Breakout force at 800mm | 6600 lbs (2993 kg) |
| Bucket cylinder diameter | 3.94 inches (10 cm) |
| Lift capacity 1.5m at pin | 7150 lbs (3243 kg) |
| Lift capacity full at pin | 5610 lbs (2544 kg) |
| Lift capacity 1.5m at 800mm | 6160 lbs (2794 kg) |
| Lift capacity full at 800mm | 4950 lbs (2245 kg) |
| Rollback angle (ground line) | 41° |
Transmission
| Type | continuously variable transmission |
|---|---|
| Gears | infinite forward and reverse |
| Model | Techstar CVT |
Tractor hitch
| Control | electronic lower-link draft sensing |
|---|---|
| Rear Type | III |
| Front Hitch | III |
| Rear lift (at ends) | 26,460 lbs (12002 kg) |
| Front lift (at ends) | 11,020 lbs (4998 kg) |
| Rear lift (at 24"/610mm) | 21,336 lbs (9678 kg) |
Power Take-off (PTO)
| Clutch | electro-hydraulic |
|---|---|
| Rear PTO | independent |
| Front PTO | independent (Optional) |
| Rear PTO Type | 1000E/1000 (1.75) |
| Front PTO Type | 1000 (1.375) |
| Optional Rear PTO | 540E/1000 (1.375) |