Challenger MT635B Specs ( 2005-2008 )
Overview
The Challenger MT635B is a 4WD row-crop tractor manufactured in Beauvais, France, from 2005 to 2008. It is powered by a 7.4L Sisu 6-cylinder turbocharged diesel engine and features a TechStar continuously variable transmission (CVT) with infinite forward and reverse gears. This model is equipped with a standard cab, a 159-gallon fuel capacity, and a Rear Type III hitch with a 15,600-pound lift capacity.
Ideal Applications
Tested Power and Fuel Efficiency:
According to OCED Tractor Test 1875, the MT635B achieved a maximum PTO power of 199.0 hp and a maximum drawbar pull of 16,927 lbs, with recorded fuel consumption ranging from 10.8 to 11.0 gallons per hour during various tests.
Hydraulic System and Hitch Capacity:
The tractor is equipped with a pressure flow compensated (PFC) hydraulic system delivering a total flow of 39 gpm at 2900 psi, supporting a Rear Type III hitch rated for 15,600 lbs and an optional Front Type II hitch rated for 7,700 lbs.
Drivetrain and Mechanical Configuration:
The MT635B features a 121.1-inch wheelbase, electrohydraulic front and rear differential locks, and inboard planetary final drives, operating on 380/85R34 front and 480/80R46 rear agricultural tires.
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 | 215 hp (160.3 kW) |
| Pre-heating | 1000W coolant heater OptOptional |
| Rated RPM | 2200 |
| Starter volts | 12 |
| Drawbar (tested) | 157.87 hp (117.7 kW) |
| PTO (claimed) | 180 hp (134.2 kW) |
| PTO (tested) | 199.0 hp (148.4 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 MT635B 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 1875
| Description | Diesel CVT 4WDApril 20 - May 3, 2006Link: OCED Tractor Test 1875 file / PTO performance / Drawbar performance / Pull at 9 KPH / Pull at 5 KPH |
|---|---|
| Fuel use | 10.8 gal/hour (40.9 l/hour) / 11.0 gal/hour (41.6 l/hour) / 10.8 gal/hour (40.9 l/hour) / 10.9 gal/hour (41.3 l/hour) |
| Max power | 199.0 hp (148.4 kW) / 157.87 hp (117.7 kW) |
| Max pull | 16,927 lbs (7678 kg) |
| Power at rated engine speed | 184.65 hp (137.7 kW) |
| Power at rated PTO speed | 197.74 hp (147.5 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 |
|---|