AgriculturalPerformance profile
Challenger MT851
The Challenger MT851 is a powerful agricultural tractor built for heavy-duty farm work. It's a crawler tractor, which means it uses tracks instead of wheels. This helps it move better on soft or muddy ground. The MT851 has a special transmission that lets it change speeds smoothly without shifting gears. Under the hood, the MT851 has a strong MAN D3876 diesel engine. This engine has 6 cylinders and is turbocharged, which means it can produce a lot of power. It can put out 504.2 horsepower, making it one of the most powerful tractors in its class. The engine is liquid-cooled to keep it running smoothly even during long, hot workdays. The tractor is big, measuring 266 inches long, 116.1 inches wide, and 148 inches tall. It's also heavy, weighing 42,000 pounds, which helps it stay stable while working tough fields.
ManufacturerChallengerPower504.2 hpEngine6-cylTransContinuously-Variable Transmission
Quick specs
- Category
- Agricultural
- Engine Power Output
- 504hp
- Operating Weight
- 42,000 lb
- Transmission
- Continuously-Variable Transmission
At a glance
How the MT851 compares
vs. Agricultural medianDistribution
Engine Power (hp)
Across all Agricultural tractors
504.2 hp · 99th
This model
13
Median 110 hp
282
504.2
This modelAgricultural tractorsMediann = 1,028
The MT851 ranks at the 99th percentile for engine power among recorded agricultural tractors.
Overview
About the Challenger MT851
The Challenger MT851 is a powerful agricultural tractor built for heavy-duty farm work. It's a crawler tractor, which means it uses tracks instead of wheels. This helps it move better on soft or muddy ground. The MT851 has a special transmission that lets it change speeds smoothly without shifting gears. Under the hood, the MT851 has a strong MAN D3876 diesel engine. This engine has 6 cylinders and is turbocharged, which means it can produce a lot of power. It can put out 504.2 horsepower, making it one of the most powerful tractors in its class. The engine is liquid-cooled to keep it running smoothly even during long, hot workdays. The tractor is big, measuring 266 inches long, 116.1 inches wide, and 148 inches tall. It's also heavy, weighing 42,000 pounds, which helps it stay stable while working tough fields.
Full specifications
Every recorded spec
General
| Manufacturer | Challenger |
|---|---|
| Model | MT851 |
| Category | Agricultural tractor |
| Type | Crawler |
| Operating weight | 42,000lb |
Engine
| Make | MAN |
|---|---|
| Model | D3876 |
| Power | 504.2hp |
| Cylinders | 6 |
| Displacement | 933.7ci |
| Bore | 5.43in |
| Stroke | 6.69in |
Transmission
| Type | Continuously-Variable Transmission |
|---|
Chassis & drive
| Chassis | Crawler |
|---|
Hydraulics
| Type | Closed Center Pressure-Flow Compensated |
|---|
Dimensions
| Length | 266in |
|---|---|
| Width | 116.1in |
| Height | 148in |
| Operating weight | 42,000lb |
Head to head
MT851 vs. Agricultural median
How the Challenger MT851 compares to other Agricultural tractors
| Spec | This model | Agricultural median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 504 hp | 110 hp | +358% | 99th |
| Engine Displacement | 934 ci | 336 ci | +178% | 98th |
| Cylinders | 6 | 5.5 | +9% | 74th |
| Operating Weight | 42,000 lb | 10,914 lb | +285% | 98th |
| Length | 266 in | 173 in | +54% | 99th |
| Width | 116 in | 79.5 in | +46% | 95th |
| Height | 148 in | 111 in | +34% | 99th |
Medians and percentiles are computed from the agricultural tractors in our database with a recorded value for each spec (sample sizes 497–1,130 models).
Compare to tractors with similar specs
Commonly compared Challenger tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Challenger MT965E | 550 hp | 47,500 lb | — | Compare → |
| Challenger MT856 | 556.5 hp | 42,000 lb | — | Compare → |
| Challenger MT875E | 561.47 hp | 44,265 lb | — | Compare → |
| Challenger 1046 | 446 hp | 30,865 lb | — | Compare → |
| Challenger MT875B | 431.02 hp | 43,700 lb | — | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Big Bud 500 | 500 hp | — | — | Compare → |
| CaseIH Steiger 500 | 500 hp | 39,492 lb | — | Compare → |
| CaseIH Steiger 500 Quadtrac | 500 hp | 54,290 lb | — | Compare → |
| CaseIH Steiger 500 Rowtrac | 500 hp | 43,510 lb | — | Compare → |
| CaseIH Steiger 485 | 485 hp | 38,500 lb | — | Compare → |
Explore
Challenger siblings
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Gallery
Challenger MT851 photos
FAQ
Common questions
How powerful is the Challenger MT851?
The Challenger MT851 has an engine power output of 504.2 hp. It is powered by a 6-cylinder engine displacing 933.7 ci.
What type of hydraulic system does the Challenger MT851 use?
Hydraulics on the Challenger MT851 are Closed Center Pressure-Flow Compensated.
What is the working weight of the Challenger MT851?
The operating weight of the Challenger MT851 is approximately 42,000 lb.
What type of transmission does the Challenger MT851 have?
The Challenger MT851 uses a Continuously-Variable Transmission transmission.
What routine service does the Challenger MT851 need?
Regular maintenance for the Challenger MT851 includes checking and changing engine oil, hydraulic fluid, and filters, plus routine inspections as recommended in the owner's manual. Always follow the manufacturer's maintenance schedule for specific intervals and procedures.