Challenger MT645 tractor specifications

2002 - 2003

2002 - 2003 MT600 SeriesRow-Crop tractor

Series:

Series:MT635 ← MT645 → MT655MT645B ↓

2002 - 2003

MT600 Series

Row-Crop tractor

Series:

Series:	MT635	→ MT645
	MT635B ↓

Production

Production
Manufacturer:	Challenger (a part of AGCO)
Type:	Row-Crop tractor
Factory:	Beauvais, France
The Challenger MT635 is similar to the Massey Ferguson 8245.

Challenger MT635 Power

Challenger MT635 Power
PTO (claimed):	160 hp 119.3 kW
PTO (tested):	174.62 hp 130.2 kW
power test details ...

Challenger MT635 Engine

Challenger MT635 Engine
Sisu 7.4L 6-cyl diesel
Fuel tank:	120 gal 454.2 L
Engine details ...

Mechanical

Mechanical
Chassis:	4x4 MFWD 4WD
Steering:	power
Brakes:	hydraulic wet disc
Cab:	Cab standard with air-conditioning.
Transmission:	18-speed power shift
Transmission details ...

Hydraulics

Hydraulics
Type:	closed center pressure flow compensated (PFC)
Pressure:	2900 psi 200.0 bar
Valves:	4
Total flow:	29 gpm 109.8 lpm
	39 gpm 147.6 lpm *Optional

Tractor hitch

Tractor hitch
Rear Type:	III
Rear lift (at 24"/610mm):	16100 lbs 7302 kg

Power Take-off (PTO)

Power Take-off (PTO)
Rear PTO:	independent
Rear RPM:	540/1000
Engine RPM:	540@1991 1000@2091

Dimensions & Tires

Dimensions & Tires
Wheelbase:	121 inches 307 cm
Weight:	18900 lbs 8573 kg
Front tire:	14.9R30
Rear tire:	18.4R42
Full dimensions and tires ...

Electrical

Electrical
Ground:	negative
Charging system:	alternator
Battery volts:	12

Production

Production Manufacturer:Challenger (a part of AGCO)
Type:Row-Crop tractor
Factory:Beauvais, France
The Challenger MT645 is similar to the Massey Ferguson 8260.

Challenger MT645 Power

Challenger MT645 Power PTO (claimed):180 hp
134.2 kW
PTO (tested):184.49 hp
137.6 kW
power test details ...

2002 - 2003

MT600 Series

Row-Crop tractor

Series:

Series:	MT635 ←	MT645	→ MT655
		MT645B ↓

Nebraska Tractor Test 1782C

Nebraska Tractor Test 1782C
Diesel 18-speed 4WD September 19 - 26, 2000 Link: Nebraska Tractor Test 1782C file
PTO performance
Max power:	184.49 hp 137.6 kW
Fuel use:	10.6 gal/hour 40.1 l/hour
Power at rated engine speed:	181.26 hp 135.2 kW
Fuel use:	11.3 gal/hour 42.8 l/hour
Power at rated PTO speed:	183.87 hp 137.1 kW
Fuel use:	10.9 gal/hour 41.3 l/hour

Challenger MT645 Engine

Challenger MT645 Engine Sisu 7.4L 6-cyl diesel Fuel tank:120 gal
454.2 L
Engine details ...

2002 - 2003

MT600 Series

Row-Crop tractor

Series:

Series:	MT635 ←	MT645	→ MT655
		MT645B ↓

Engine Detail

Engine Detail
Sisu
turbocharged aftercooled diesel
6-cylinder
liquid-cooled vertical
Displacement:	449 ci 7.4 L
Bore/Stroke:	4.251x5.278 inches 108 x 134 mm
Air cleaner:	dual paper elements
Compression:	16.5:1
Rated RPM:	2200
Starter volts:	12

Mechanical

Mechanical Chassis:4x4 MFWD 4WD
Steering:power
Brakes:hydraulic wet disc
Cab:Cab standard with air-conditioning.
Transmission:18-speed power shift
Transmission details ...

2002 - 2003

MT600 Series

Row-Crop tractor

Series:

Series:	MT635 ←	MT645	→ MT655
		MT645B ↓

Transmission

Transmission
Type:	power shift
Gears:	18 forward and 6 reverse
Clutch:	electro-hydraulic wet disc

Speeds

Speeds

Hydraulics

Hydraulics Type:closed center pressure flow compensated (PFC)
Pressure:2900 psi
200.0 bar
Valves:4
Total flow:29 gpm
109.8 lpm
39 gpm
147.6 lpm *Optional

Tractor hitch

Tractor hitch Rear Type:III
Rear lift (at 24"/610mm):18400 lbs
8346 kg

Power Take-off (PTO)

Power Take-off (PTO) Rear PTO:independent
Rear RPM:1000
Engine RPM:1000@2091

Dimensions & Tires

Dimensions & Tires Wheelbase:121 inches
307 cm
Weight:19000 lbs
8618 kg
Front tire:14.9R30
Rear tire:18.4R42
Full dimensions and tires ...

2002 - 2003

MT600 Series

Row-Crop tractor

Series:

Series:	MT635 ←	MT645	→ MT655
		MT645B ↓

Challenger MT645 Tires

Challenger MT645 Tires
Ag front:	14.9R30
Ag rear:	18.4R42

Dimensions

Dimensions
Wheelbase:	121 inches 307 cm
Length:	203 inches 515 cm
Width:	98.2 inches 249 cm *Minimum width
Height (cab):	121 inches 307 cm
Shiping weight:	19000 lbs 8618 kg