Challenger MT325B Tractor

Manufacturer Challenger
Price -
Model MT325B
Equipment Type Utility Tractors
Factory

CHALLENGER MT325B POWER

Engine (gross) 68hp / 50.7kW
PTO (claimed) 55hp / 41.0kW

ENGINE DETAIL

The Challenger MT325B tractor features a turbocharged 3-cylinder diesel engine, providing efficient power output of 68 hp at a rated 2150 RPM, making it suitable for medium-duty agricultural applications. Its 3.3L displacement and liquid cooling enhance engine longevity and performance, although potential turbo lag should be considered in high-demand scenarios. The 12V starter system ensures reliable ignition in various conditions, but owners should monitor battery health for optimal operation.

Description Challenger turbocharged diesel 3-cylinder liquid-cooled
Displacement 201.4ci / 3.3L
Bore/Stroke 4.13x5.00inches / 105x 127mm
Power (gross) 68hp / 50.7kW
Rated RPM 2150
Starter volts 12

CHALLENGER MT325B ENGINE

The Challenger MT325B tractor is equipped with a 3.3L 3-cylinder diesel engine, which provides a balance of power and fuel efficiency ideal for medium-duty agricultural tasks. The 29-gallon (109.8L) fuel tank enhances operational longevity, reducing downtime for refueling during extensive fieldwork. However, the relatively small engine size may limit performance in heavier applications, necessitating careful evaluation of workload requirements.

Description Challenger 3.3L 3-cyl diesel
Fuel tank 29gal / 109.8L

TRANSMISSIONS OVERVIEW

The Challenger MT325B features a 12-speed synchronized shuttle, enhancing transmission efficiency during directional changes and improving operator control, especially in varied terrain. The power shuttle system allows for seamless shifting without clutching, increasing productivity during load and transport tasks. However, operators may need to adapt to the quick shifting for optimal performance, particularly in heavy-duty applications or when managing delicate implements.

Description 12-speed synchronized shuttle 12-speed power shuttle

TRANSMISSION 1

The Challenger MT325B features a synchronized shuttle transmission with a total of 12 forward and reverse gears, optimizing versatility for various field operations. The mechanical shuttle allows for smooth direction changes, enhancing productivity, particularly in applications requiring frequent reversing, such as loader work. However, the mechanical nature may pose a challenge in terms of operator fatigue during prolonged use compared to fully automatic systems.

Type synchronized shuttle
Gears 12 forward and reverse
Description Four gears in three ranges with mechanical shuttle

TRANSMISSION 2

The Challenger MT325B tractor features a power shuttle transmission, enabling seamless gear shifts with a push-button clutch, which enhances operational efficiency. With 12 forward and reverse gears across three ranges, it offers versatile speed options for diverse agricultural tasks. However, operators may face a learning curve when transitioning from traditional foot clutch systems to the push-button interface, particularly in high-stress scenarios.

Type power shuttle
Gears 12 forward and reverse
Description Four gears in three ranges with power shuttle. Push-button clutch allows gear shifting without the use of the foot clutch

MECHANICAL

The Challenger MT325B features a robust 4x4 MFWD chassis option, enhancing traction in diverse terrains, making it ideal for heavy-duty farming applications. With its electro-hydraulic differential lock and hydrostatic power steering, operators experience improved maneuverability and traction control, though this may add complexity during repairs. The optional air-conditioned cab increases operator comfort during prolonged use, while the 12-speed synchronized and power shuttle transmissions allow for seamless gear shifting, optimizing performance in various operational scenarios.

Chassis 4x2 2WD/4x4 MFWD 4WD
Differential lock electro-hydraulic
Steering hydrostatic power
Brakes hydraulic wet disc
Cab Two-post folding ROPS. Cab with air-conditioning optional
Transmissions 12-speed synchronized shuttle 12-speed power shuttle

HYDRAULICS

Type open center
Pressure 2755psi / 190.0bar
Rear valves 2 or 3
Mid valves 0 or 2
SCV flow 15.8gpm / 59.8lpm
Total flow 22.4gpm / 84.8lpm

TRACTOR HITCH

Rear Type I/II
Control position and draft control
Rear lift (at ends) 5500lbs / 2494kg

POWER TAKE-OFF (PTO)

Rear PTO independent
Clutch electro-hydraulic
Rear RPM 540/540/540E.

DIMENSIONS

Wheelbase 82.7inches / 210cm
Length 148inches / 375cm
Width 76inches / 193cm
Height (ROPS) 105inches / 266cm
Height (cab) 102.5inches / 260cm

CHALLENGER MT325B WEIGHT

5,291lbs / 2399kg (2WD ROPS) 5,732lbs / 2600kg (4WD ROPS) 7,716lbs / 3499kg (4WD cab)

DIMENSIONS & TIRES

The Challenger MT325B features a wheelbase of 82.7 inches, providing enhanced stability and maneuverability, particularly in tight agricultural environments. With a weight range of 5,291 to 7,716 pounds, it offers flexibility in load capacities, making it suitable for various tasks, from light tilling to heavier hauling depending on the configuration. However, operators should consider weight distribution and potential soil compaction, especially in softer fields.

Wheelbase 82.7inches / 210cm
Weight 5291 to 7716 pounds

CHALLENGER ML72B LOADER

Height (to pin) 126inches / 320cm
Lift to full height (at 800mm) 2090lbs / 948kg
Bucket width 63inches / 160cm 73inches / 185cm 83inches / 210cm

CHALLENGER ML92B LOADER

Height (to pin) 126inches / 320cm
Lift to full height (at 800mm) 2530lbs / 1147kg

ELECTRICAL

Ground negative
Charging system alternator
Charging amps 80
Battery CCA 675
Battery volts 12


Last Updated 2025-01-01
Stephen is a passionate tractor hobbyist with a deep-seated love for all things mechanized and agricultural. Growing up in a rural setting, he developed a fascination with these mighty machines that have played a crucial role in shaping the farming industry.

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