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Years in Production / 2002–2004
Challenger
MT445
Explore the specifications, hardware, and original references for the Challenger MT445.
72hp
Engine estimate · from PTO
MFWD Optional
Drive
2002–2004
Production years
Challenger
Manufacturer
MT445 / 01
At a glance
Overview
2002 - 2004
MT400 Series
Utility tractor
Production
Utility tractor
Built in England
The Challenger MT445 is similar to the Massey Ferguson 4233 and 4335.
- Manufacturer
- Challenger (a part of AGCO)
Mechanical
Two- or four-wheel drive
Power steering
Hydraulic wet disc brakes
Two-post folding ROPS. Cab available with air-conditioning.
Hydraulics
- Type
- open center
- Pressure
- 3046 psi210.0 bar
- Valves
- 2 to 4
- Scv Flow
- 10 gpm37.9 lpm
- Total Flow
- 25 gpm94.6 lpm
Hitch
- Rear Type
- II
- Control
- electronic draft control
- Rear Lift At24610mm
- 4100 lbs1859 kg
- Rear Lift At24610mm
- 6200 lbsOptOptional2812 kg
Pto
- Rear Pto
- independent
- Rear Type
- 540/1000
Electrical
- Ground
- negative
- Charging System
- alternator
- Battery Volts
- 12
MT445 / 02
Under the hood
Engine Detail
Perkins 3054B
diesel
4-cylinder
liquid-cooled
- Displacement
- 258 ci4.2 L
- Bore Stroke
- 4.055x5.00 inches103 x 127 mm
- Air Cleaner
- dual paper elements
- Pre Heating
- thermostart
- Compression Ratio
- 17.3:1
- Rated Rpm
- 2200
- Starter Volts
- 12
- Fuel Type
- diesel
- Cylinders
- 4
- Cooling
- liquid-cooled
Engine Options
Perkins 4.2L 4-cyl diesel
- Rops Fuel Tank
- 29.1 gal110.1 L
- Cab Fuel Tank
- 34 gal128.7 L
- Cab Fuel Tank
- 50 gal*Optional with cab.189.2 L
MT445 / 03
Gears & controls
Transmission (Option 1)
- Transmission Type
- power shuttle
- Gears
- 24 forward and reverse
- Clutch
- wet disc
Transmission (Option 2)
- Transmission Type
- syncromesh
- Gears
- 12 forward and 4 reverse
Transmission (Option 3)
- Transmission Type
- mechanical shuttle
- Gears
- 12 forward and reverse
Transmission Options
24-speed power shuttle
12-speed syncromesh
12-speed mechanical shuttle
MT445 / 04
Size. Stance. Footprint.
Dimensions
- Length
- 163 in414 cm
- Width
- 77 in195 cm
- Height (cab)
- 100 in254 cm
- Height (ROPS)
- 103 in261 cm
- Wheelbase
- 93 in236 cm
Dimensions And Tires
- Wheelbase
- 93 inches236 cm
- Weight
- 6211 to 8170 pounds
- Front Tire
- 12.4R24
- Rear Tire
- 13.6R38
Tires And Tracks
- Front Ag
- 12.4R24
- Rear Ag
- 13.6R38
MT445 / 05
Tests (NTTL)
Oced Tractor Test1950
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.
- Power At Rated Engine Speed
- 69.7 hp52.0 kW
- Fuel Use
- 4.3 gal/hour16.3 l/hour
- Fuel Use
- 4.0 gal/hour15.1 l/hour
- Power At Rated Pto Speed
- 68 hp50.7 kW
- Max Power
- 60.2 hp44.9 kW
- Max Pull
- 6970 lbs3161 kg