Challenger MT525D
The Challenger MT525D is a powerful and versatile tractor designed for farmers who need a reliable workhorse. It features a front-wheel-assist chassis and hydrostatic power steering, making it easy to handle in various field conditions. The tractor is powered by a 6-cylinder, turbocharged diesel engine made by Sisu AGCO Power. This engine delivers 136.2 hp and has a displacement of 402 cubic inches, providing plenty of muscle for tough jobs. The MT525D comes with a 16-speed transmission that offers both forward and reverse gears. It has a three-point hitch at the rear, capable of lifting up to 11,755 pounds. The tractor's hydraulic system is a closed center load sensing type, with a pump that can move 25.1 gallons of fluid per minute. This high flow rate, combined with a pressure of 2170 psi, gives the MT525D impressive hydraulic power for operating attachments. With its 113.2-inch wheelbase and operating weight of 13,920 pounds, this tractor provides a stable platform for a wide range of farming tasks.
Key specifications
- Category
- Utility
- Engine power
- 136hp
- Operating weight
- 13,920 lb
- Transmission
- Selective gear fixed ratio with partial (4) range operator-controlled powershift
Category comparison
MT525D compared with its category
vs. Utility medianDistribution
Engine Power (hp)
All recorded Utility tractors
This model
The MT525D ranks at the 92nd percentile for engine power among recorded utility tractors.
Overview
About the Challenger MT525D
The Challenger MT525D is a powerful and versatile tractor designed for farmers who need a reliable workhorse. It features a front-wheel-assist chassis and hydrostatic power steering, making it easy to handle in various field conditions. The tractor is powered by a 6-cylinder, turbocharged diesel engine made by Sisu AGCO Power. This engine delivers 136.2 hp and has a displacement of 402 cubic inches, providing plenty of muscle for tough jobs. The MT525D comes with a 16-speed transmission that offers both forward and reverse gears. It has a three-point hitch at the rear, capable of lifting up to 11,755 pounds. The tractor's hydraulic system is a closed center load sensing type, with a pump that can move 25.1 gallons of fluid per minute. This high flow rate, combined with a pressure of 2170 psi, gives the MT525D impressive hydraulic power for operating attachments. With its 113.2-inch wheelbase and operating weight of 13,920 pounds, this tractor provides a stable platform for a wide range of farming tasks.
Full specifications
Recorded specifications
General
| Manufacturer | Challenger |
|---|---|
| Model | MT525D |
| Category | Utility tractor |
| Type | Front wheel assist |
| Operating weight | 13,920lb(6,314 kg) |
Engine
| Make | Sisu AGCO Power |
|---|---|
| Power | 136.2hp(101.6 kW) |
| Cylinders | 6 |
| Displacement | 402ci(6.59 L) |
| Bore | 4.25in(108 mm) |
| Stroke | 4.72in(120 mm) |
Transmission
| Type | Selective gear fixed ratio with partial (4) range operator-controlled powershift |
|---|---|
| Forward gears | 16 |
| Reverse gears | 16 |
Chassis & drive
| Chassis | Front wheel assist |
|---|---|
| Steering | Hydrostatic Power |
Hydraulics
| Type | Closed Center Load Sensing (CCLS) |
|---|---|
| Pump flow | 25.1gpm(95.01 L/min) |
| Pressure | 2,170psi(14,960 kPa) |
Dimensions
| Wheelbase | 113.2in(2,875 mm) |
|---|---|
| Operating weight | 13,920lb(6,314 kg) |
Tires
| Front | 420/85R28Convert |
|---|---|
| Rear | 520/85R38Convert |
Closest alternatives
MT525D compared with the nearest models by horsepower
The closest utility models to the Challenger MT525D by rated horsepower are the Renault Ares 636 and the Steyr 6135 Profi. The Renault Ares 636 matches it on rated power at almost the same operating weight. The Steyr 6135 Profi matches it on rated power and weighs 2,130 lb less, carrying 87 lb per horsepower against 102 lb. Of the 3 models, the MT525D has the highest weight per horsepower at 102 lb per hp.
| Spec | Challenger MT525D | Renault Ares 636 | Steyr 6135 Profi |
|---|---|---|---|
| Engine power | 136.2 hp101.6 kW | 136 hp101.4 kW | 136 hp101.4 kW |
| Operating weight | 13,920 lb6,314 kg | 13,891 lb6,301 kg | 11,790 lb5,348 kg |
| Weight per hp | 102 lb/hp62 kg/kW | 102 lb/hp62 kg/kW | 87 lb/hp53 kg/kW |
| Displacement | 402 ci6.59 L | 414.2 ci6.79 L | 410.6 ci6.73 L |
| Cylinders | 6 | 6 | 6 |
| Transmission | Selective gear fixed ratio with partial (4) range operator-controlled powershift | - | PowerShift |
| Drive | - | 4WD | MFWD |
Calculators
Calculators for the MT525D
PTO power
About 113 to 123 PTO hp
Estimated from the 136.2 hp engine rating. The calculator also estimates drawbar power by surface.
Implement sizing
Implements a 136.2 hp tractor can run
Maximum size is about a 16 ft rotary cutter or a 14 ft tiller. The calculator also sizes discs, plows and balers.
Ballast
119 lb per PTO hp as listed
Heavy draft work calls for 120 to 135 lb/hp. The calculator gives the ballast to add.
Units
136.2 hp is 101.6 kW
The converter gives kW and metric PS values, as used on European spec sheets.
Tires
Convert the 520/85R38 tire size
The calculator gives diameter, rolling circumference and the metric or inch equivalent.
Category medians
MT525D vs. Utility median
Challenger MT525D compared with other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 136 hp | 55 hp | +148% | 92nd |
| Engine Displacement | 402 ci | 183 ci | +120% | 90th |
| Cylinders | 6 | 4 | +50% | 93rd |
| Forward Gears | 16 | 12 | +33% | 73rd |
| Operating Weight | 13,920 lb | 5,303 lb | +162% | 92nd |
| 3-Point Hitch Capacity | 11,755 lb | 3,197 lb | +268% | 91st |
Medians and percentiles are calculated from the utility tractors in the database that have a recorded value for each specification (sample size 1,083–5,720 models).
Same manufacturer
Other Challenger models
Other manufacturers
Models with similar horsepower
FAQ
Frequently asked questions
How much horsepower does the Challenger MT525D have?
The Challenger MT525D produces 136.2 hp from its 6-cylinder engine. Engine displacement is 402 ci.
How much does the Challenger MT525D weigh?
The Challenger MT525D weighs about 13,920 lb in operating condition.
What transmission is in the Challenger MT525D?
Transmission on the Challenger MT525D is Selective gear fixed ratio with partial (4) range operator-controlled powershift, with 16 forward speeds.
What type of hydraulic system does the Challenger MT525D use?
Hydraulics on the Challenger MT525D are Closed Center Load Sensing (CCLS), delivering 25.1 gpm of pump flow.
What size tires does the Challenger MT525D use?
The Challenger MT525D is fitted with 420/85R28 front tires and 520/85R38 rear tires from the factory.
What hitch category is the Challenger MT525D?
The Challenger MT525D uses a Category II hitch with a lift capacity of 11,755 lb.
What maintenance does the Challenger MT525D require?
The Challenger MT525D needs periodic engine oil and filter changes, hydraulic fluid checks, and regular greasing and inspection. The owner's manual lists the manufacturer's recommended service intervals.



