Wikitractor

Challenger MT445B

Production ended · 2WD or 4WD

PTO power · claimed

70 hp

Weight
8,840 lb
Engines
1 Diesel
Built
no record
Price new
no record

Power

Engine85 hp unspecified
PTO70 hp claimed
PTO, tested75.9 hp
Drawbar60.5 hp tested
Listed power85 hp engine basis

Engines

Caterpillar 4.4L 4-cyl dieselDiesel · 4 cyl268 ci
Engine details
Caterpillar 4.4L 4-cyl diesel
Bore × stroke
4.13 in × 5 in
Rated speed
2,200 rpm
Rated power
85 hp
Compression
17.5:1
Aspiration
turbocharged diesel
Cooling
liquid-cooled vertical
Emissions
Tier 2
Notes
This engine was alternative branded as a Perkins 1104C depending on market.

Transmissions

Autopower IVfour speed power shift16F / 16R
Transmission notes

Autopower IV: Four power shift gears in four ranges.

Weight

Weight8,840 lb unspecified

Dimensions

Wheelbase97 in
Lengthno record

Capacities

Fuel tank40 gal

Hydraulics

Pump flow26.4 gpm
Pressure2,900 psi
Remote valves2 to 4

Hitch

Rear hitch categoryII
Controlelectronic top-link draft control
Rear lift capacityno record
Rear lift at 24 in (610 mm)7,285 lb

PTO

Rear PTOindependent
Rear PTO speeds540/1000
Clutchelectro-hydraulic wet disc

Chassis

Drive2WD/4WD
Steeringhydrostatic power
BrakesHydraulic wet disc brakes
Differential lockelectro-hydraulic
Final drivesinboard planetary
CabROPS. Cab optional with air-conditioning

Tires

Front10.00-16
Rear480/70R38

Electrical

System voltage12 V
Groundnegative

Production

FactoriesBeauvais, France
Built byChallenger (a part of AGCO)

Literature

  • Challenger MT400B Product Information Guide AGCO, 2003
  • Challenger MT400B Series AGCO, 2004
  • Challenger Specialty Wheel Tractors 2007