| Manufacturer | Challenger |
| Price | - |
| Model | MT455B |
| Equipment Type | Utility Tractors |
| Factory | Beauvais, France |
OCED TRACTOR TEST 2289 2
| Description | Diesel 16-speed 4WD May 2004 - 2004, Link: OCED Tractor Test 2289 file PTO performance Drawbar performance Gear 1LC used for power test Gear 2TD used for pull test |
| Max power | 66.8hp / 49.8kW |
| Fuel use | 5.4gal/hour / 20.4l/hour |
| Power at rated engine speed | 80.2hp / 59.8kW |
| Power at rated PTO speed | 82.5hp / 61.5kW |
| Max pull | 8725lbs / 3957kg |
CHALLENGER MT455B POWER
| Engine | 95hp / 70.8kW |
| PTO (claimed) | 80hp / 59.7kW |
| Drawbar (tested) | 66.8hp / 49.8kW |
| PTO (tested) | 82.6hp / 61.6kW |
ENGINE DETAIL
The Challenger MT455B, powered by a Caterpillar 3054T turbocharged diesel engine, delivers 95 hp at 2200 rpm, providing robust performance for various agricultural tasks. With a Tier 2 emissions rating, it's suitable for compliance in regions with less stringent regulations but may face restrictions in areas with stricter standards. The dual paper air cleaner enhances dust filtration, ideal for operations in abrasive environments, though regular maintenance is essential to prevent airflow restrictions.
| Description | Caterpillar 3054T turbocharged diesel 4-cylinder liquid-cooled vertical, This engine was branded as a Perkins 1104C depending on market |
| Displacement | 268ci / 4.4L |
| Bore/Stroke | 4.134x5.00inches / 105x 127mm |
| Emissions | Tier 2 |
| Power | 95hp / 70.8kW |
| Air cleaner | dual paper elements |
| Compression | 17.5:1 |
| Rated RPM | 2200 |
| Starter volts | 12 |
CHALLENGER MT455B ENGINE
The Challenger MT455B is equipped with a Caterpillar 4.4L 4-cylinder diesel engine, offering a balance of power and efficiency suitable for various agricultural applications. With a 40-gallon fuel tank, it provides extended operation time, reducing the frequency of refueling during long days in the field. However, the engine's compact size may limit peak power output compared to larger displacement engines, which could be a consideration for heavy-duty tasks.
| Description | Caterpillar 4.4L 4-cyl diesel |
| Fuel tank | 40gal / 151.4L |
TRANSMISSION
The Challenger MT455B's Autopower IV transmission enables seamless power shifts across its 16 forward and reverse gears, enhancing operational efficiency and versatility for various field conditions. The wet disc clutch provides smooth engagement and reduced wear, contributing to the longevity of the drivetrain. However, the complexity of the power shift system may necessitate specialized training for operators to maximize its potential in demanding scenarios.
| Transmission | Autopower IV |
| Type | four speed power shift |
| Gears | 16 forward and reverse |
| Clutch | wet disc |
| Description | Four power shift gears in four ranges |
MECHANICAL
The Challenger MT455B tractor features a robust 4x4 MFWD option, enhancing traction in various field conditions, which is ideal for heavy tillage tasks. Its electro-hydraulic differential lock offers improved maneuverability and traction in challenging terrains, while the hydraulic wet disc brakes ensure effective stopping power and decreased wear. Additionally, the optional air-conditioned ROPS cab provides operator comfort in diverse weather conditions, improving productivity during long working hours.
| Chassis | 4x2 2WD/4x4 MFWD 4WD |
| Final drives | inboard planetary |
| Differential lock | electro-hydraulic |
| Steering | hydrostatic power |
| Brakes | hydraulic wet disc |
| Cab | ROPS. Cab optional with air-conditioning |
| Transmission | 16-speed four speed power shift |
HYDRAULICS
| ROPS Type | open center |
| Cab Type | closed center load sensing |
| Pressure | 2900psi / 200.0bar |
| Valves | 2 to 4 |
| Pump flow | 26.4gpm / 99.9lpm (open center) 29gpm / 109.8lpm (CCLS) |
TRACTOR HITCH
| Rear Type | II |
| Control | electronic top-link draft control |
| Rear lift (at 24 | 7285lbs / 3304kg |
| Rear Arms | telescopic stabilizers and link ends |
POWER TAKE-OFF (PTO)
| Rear PTO | independent |
| Clutch | electro-hydraulic wet disc |
| Rear RPM | 540/1000/540/540E / 1000/1000E |
CHALLENGER MT455B TIRES
The Challenger MT455B tractor features a 2WD option with a front tire size of 10.00-16 and a 4WD option with 14.9R28, providing flexibility in traction depending on the conditions. The rear tire size of 18.4R38 enhances stability and load-bearing capacity, making it suitable for heavy-duty agricultural tasks. However, the 2WD configuration may limit performance in muddy or uneven terrains compared to the 4WD, presenting a challenge for operations in less-than-ideal ground conditions.
| Ag front | 10.00-16 (2WD)/14.9R28 (4WD) |
| Ag rear | 18.4R38 |
DIMENSIONS
| Wheelbase | 97inches / 246cm |
| Weight | 8,885lbs / 4030kg (2WD) 9,445lbs / 4284kg (4WD) |
| Rear axle | Flange |
DIMENSIONS & TIRES
The Challenger MT455B, with a wheelbase of 97 inches, offers enhanced stability for field operations, making it suitable for both tillage and transport tasks. Its weight range of 8885 to 9445 pounds provides a solid foundation for traction yet may limit maneuverability in tight spaces. The front tire size of 10.00-16 and rear tire size of 18.4R38 strike a balance between flotation and grip, essential for varied ground conditions.
| Wheelbase | 97inches / 246cm |
| Weight | 8885 to 9445 pounds |
| Front tire | 10.00-16 |
| Rear tire | 18.4R38 |
ELECTRICAL
| Ground | negative |
| Battery volts | 12 |