Challenger MT445

Challenger MT445 Utility tractor Technical Specifications

Challenger MT445 is a Row-Crop tractor that was produced by the John Deere between 2002 – 2004.

Below you will find detailed technical specifications for Challenger MT445 covering engine types, horsepower ratings, weight, height, fuel type and tank volume, oil capacity and type, hydraulic system diagram, wiring diagram, battery specs, etc.

Challenger MT445 Production

Manufacturer: Challenger (a part of AGCO)
Type: Utility tractor
Factory: England
The Challenger MT445 is similar to the Massey Ferguson 4233 and 4335.

Challenger MT445 Power

PTO (claimed): 65 hp
48.5 kW
Drawbar (tested): 60.2 hp
44.9 kW
PTO (tested): 69.7 hp
52.0 kW

Challenger MT445 Electrical

Ground: negative
Charging system: alternator
Battery volts: 12

Challenger MT445 Mechanical

Chassis: 4×2 2WD
  4×4 MFWD 4WD
Steering: power
Brakes: hydraulic wet disc
Cab: Two-post folding ROPS. Cab available with air-conditioning.
Transmissions: 24-speed power shuttle
  12-speed syncromesh
  12-speed mechanical shuttle


Type: open center
Pressure: 3046 psi
210.0 bar
Valves: 2 to 4
SCV flow: 10 gpm
37.9 lpm
Total flow: 25 gpm
94.6 lpm

Tracktor Hitch

Rear Type: II
Control: electronic draft control
Rear lift (at 24″/610mm): 4100 lbs
1859 kg
  6200 lbs
2812 kg *Optional

Power Take-off (PTO)

Rear PTO: independent
Rear RPM: 540/1000

Challenger MT445 Engine detail

Engine Detail
Perkins 3054B
Displacement: 258 ci
4.2 L
Bore/Stroke: 4.055×5.00 inches
103 x 127 mm
Air cleaner: dual paper elements
Pre-heating: thermostart
Compression: 17.3:1
Rated RPM: 2200
Starter volts: 12

Challenger MT445 Transmission overview

Engine Oil

Type: power shuttle
Gears: 24 forward and reverse
Clutch: wet disc

Challenger MT445 Dimensions

Wheelbase: 93 inches
236 cm
Length: 163 inches
414 cm
Width: 77 inches
195 cm
Height (ROPS): 103 inches
261 cm
Height (cab): 100 inches
254 cm

Challenger MT445 Weight
2WD ROPS : 6211 lbs
2817 kg
4WD ROPS : 6546 lbs
2969 kg
2WD Cab : 7619 lbs
3455 kg
4WD Cab : 8170 lbs
3705 kg

Challenger MT445 Tests

OCED Tractor Test 1950

OCED Tractor Test 1950
Diesel 12-speed 4WD
October 2000 – December 2000,
Link: OCED Tractor Test 1950 file
PTO performance
Power at rated engine speed: 69.7 hp
52.0 kW
Fuel use: 4.3 gal/hour
16.3 l/hour
Power at rated PTO speed: 68 hp
50.7 kW
Fuel use: 4.0 gal/hour
15.1 l/hour
Drawbar performance
Max power: 60.2 hp
44.9 kW
Fuel use: 4.3 gal/hour
16.3 l/hour
Gear 3M used for power test.
Max pull: 6970 lbs
3161 kg
Gear 2L used for pull test.


Is Challenger MT445 a good tractor?

The Challenger MT445 is one of the great tractors in the Challenger (a part of AGCO) stable, and it has earned Challenger (a part of AGCO) a fantastic reputation.

How much oil does a Challenger MT445 take?

Check out the Challenger MT445 oil capacity and oil type in the engine specs section as it may vary across the engines. Keep in mind, that older models might have their oil capacity increased over time. You may compare between the early and late oil capacity.

Do tractors have VIN numbers?

Every tractor has a VIN number. The number is usually engraved below the driver’s seat. Tractor manufacturers put the number in different places on the tractor body.

What was the last year Challenger (a part of AGCO) made the MT425

The Challenger MT445 was an agricultural tractor model made from 2002 – 2004

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