Challenger MT455B Specs ( 2004-2013 )
Overview
The Challenger MT455B is a utility farm tractor produced between 2004 and 2013 at the Beauvais, France manufacturing facility. It is equipped with a 4.4L Caterpillar 3054T turbocharged diesel engine and features a 16-speed Autopower IV transmission with four power shift gears across four ranges.
Ideal Applications
Tested Power Output:
According to OCED Tractor Test 2289, this model achieved a maximum PTO power of 82.6 hp and a maximum drawbar pull of 8,725 lbs.
Hydraulic and Hitch Configuration:
The tractor features a Category II rear hitch with electronic top-link draft control and a closed center load sensing hydraulic system providing 2,900 psi of pressure.
Mechanical and Physical Specifications:
This model is built on a 97-inch wheelbase with an operating weight ranging from 8,885 to 9,445 pounds and utilizes 18.4R38 rear tires on a flange axle.
Production
| Description | Utility tractor / Built in Beauvais, France / The Challenger MT445B is similar to the Massey Ferguson 5455. |
|---|---|
| Manufacturer | Challenger (a part of AGCO) |
Engine
| Engine type | Caterpillar 4.4L 4-cyl diesel |
|---|---|
| Fuel tank | 40 gal (151.4 L) |
| Air cleaner | dual paper elements |
| Bore/Stroke | 4.134x5.00 inches (105 x 127 mm) |
| Compression | 17.5:1 |
| Description | Caterpillar 3054T / turbocharged diesel / 4-cylinder / liquid-cooled vertical / This engine was branded as a Perkins 1104C depending on market. |
| Displacement | 268 ci (4.4 L) |
| Emissions | Tier 2 |
| Power | 95 hp (70.8 kW) |
| Rated RPM | 2200 |
| Starter volts | 12 |
| Drawbar (tested) | 66.8 hp (49.8 kW) |
| PTO (claimed) | 80 hp (59.7 kW) |
| PTO (tested) | 82.6 hp (61.6 kW) |
Transmission
| Clutch | wet disc |
|---|---|
| Description | Four power shift gears in four ranges. |
| Gears | 16 forward and reverse |
| Transmission | Autopower IV |
| Transmission type | 16-speed four speed power shift |
| Type | four speed power shift |
Mechanical
| Cab | ROPS. Cab optional with air-conditioning. |
|---|---|
| Description | Hydraulic wet disc brakes |
| Differential lock | electro-hydraulic |
| Drive type | Two- or four-wheel drive |
| Final drives | inboard planetary |
| Steering | hydrostatic power |
Hydraulics
| Cab Type | closed center load sensing |
|---|---|
| Pressure | 2900 psi (200.0 bar) |
| Pump flow | 26.4 gpm (open center) (99.9 lpm) |
| ROPS Type | open center |
| Valves | 2 to 4 |
Hitch
| Control | electronic top-link draft control |
|---|---|
| Rear Arms | telescopic stabilizers and link ends |
| Rear lift (at 24"/610mm) | 7285 lbs (3304 kg) |
| Rear Type | II |
PTO
| Clutch | electro-hydraulic wet disc |
|---|---|
| Rear PTO | independent |
| Rear PTO Type | 540/1000 |
Electrical
| Battery volts | 12 |
|---|---|
| Ground | negative |
Dimensions & Tires
| Ag front | 10.00-16 (2WD) |
|---|---|
| Ag rear | 18.4R38 |
| Description | Flange rear axle |
| Weight | 8,885 lbs (2WD) (4030 kg) |
| Wheelbase | 97 inches (246 cm) |
| Front tire | 10.00-16 |
| Rear tire | 18.4R38 |
| Weight | 8885 to 9445 pounds |
| Wheelbase | 97 inches (246 cm) |
OCED Tractor Test 2289
| Description | Diesel 16-speed 4WDMay 2004 - 2004, Link: OCED Tractor Test 2289 file / PTO performance / Drawbar performance / Gear 1LC used for power test. / Gear 2TD used for pull test. |
|---|---|
| Fuel use | 4.9 gal/hour (18.5 l/hour) / 5.2 gal/hour (19.7 l/hour) / 4.9 gal/hour (18.5 l/hour) / 5.4 gal/hour (20.4 l/hour) |
| Max power | 82.6 hp (61.6 kW) / 66.8 hp (49.8 kW) |
| Max pull | 8725 lbs (3957 kg) |
| Power at rated engine speed | 80.2 hp (59.8 kW) |
| Power at rated PTO speed | 82.5 hp (61.5 kW) |
References
| Description | Challenger MT400B Product Information Guide published in 2003, by AGCO / Challenger MT400B Series published in 2004, by AGCO / Challenger Specialty Wheel Tractors published in 2007 |
|---|
Nebraska Tractor Test Results
Test #3127
Test Date:
May, 2004
Location:
Groupement d'Antony, Parc de Touvoie, BP 44 Antony, Cedex, France 92163
This section is compiled from original Nebraska Tractor Test PDFs using AI-assisted extraction and human review. For full verification, download the source PDF above. Differences between reports, incomplete source data, and occasional extraction or data entry mistakes can occur.
Maximum Power & Fuel Consumption
Rated Engine Speed
80.20 hp
0.46 lb/hp·hr
Standard PTO Speed
82.50 hp
@ 1000 rpm PTO
Torque Statistics
| Maximum Torque | 271.3 lb-ft (367.8 Nm) at 1300 rpm |
|---|---|
| Torque Rise | 41.8% |
PTO Power Curve
Maximum Power & Fuel Consumption Details
| Condition | HP | kW | RPM | PTO RPM |
|---|---|---|---|---|
| Rated Engine Speed | 80.20 | 59.80 | 2200 | 1100 |
| Standard PTO Speed (1000 rpm) | 82.50 | 61.50 | 2000 | 1000 |
Varying Power & Fuel Consumption
Click column headers to sort
| Power | RPM | gal/hr | lb/hp·hr | hp·hr/gal | DEF gal/hr |
|---|---|---|---|---|---|
| 80.20 | 2200 | 5.22 | 0.46 | 15.37 | N/A |
| 70.40 | 2262 | 4.87 | 0.49 | 14.47 | N/A |
| 52.60 | 2277 | 4.25 | 0.57 | 12.38 | N/A |
| 34.90 | 2293 | 3.28 | 0.67 | 10.64 | N/A |
| 17.40 | 2311 | 2.50 | 1.02 | 6.97 | N/A |
| N/A | 2323 | 1.59 | N/A | N/A | N/A |