AgriculturalPerformance profile
Challenger MT665D
The Challenger MT665D is a powerful 4-wheel drive tractor built for serious farming. It has a strong Sisu Diesel engine with 6 cylinders and 298.9 horsepower. This engine is turbocharged and cooled by air and liquid, which helps it work hard in tough conditions. The tractor uses diesel fuel and has a special system to reduce harmful emissions. This big tractor is 215.7 inches long and 141 inches tall, weighing 25,365 pounds. It has large agricultural tires, with the front tires being 70 inches tall and the back tires 85 inches tall. The MT665D has a comfortable cab for the driver and uses a high-tech transmission that can change speeds smoothly. It also has a strong hydraulic system that can lift heavy equipment. The tractor is designed to be quiet, with a sound level of 71 decibels in the cab when not working. Special features like Quadlink suspension and wet disc brakes make it safer and more comfortable to drive.
ManufacturerChallengerPower298.9 hpEngine6-cylTransContinuously Variable Transmission
Quick specs
- Category
- Agricultural
- Engine Power Output
- 299hp
- Operating Weight
- 25,365 lb
- Transmission
- Continuously Variable Transmission
At a glance
How the MT665D compares
vs. Agricultural medianDistribution
Engine Power (hp)
Across all Agricultural tractors
298.9 hp · 93rd
This model
13
Median 110 hp
282
This modelAgricultural tractorsMediann = 1,028
The MT665D ranks at the 93rd percentile for engine power among recorded agricultural tractors.
Overview
About the Challenger MT665D
The Challenger MT665D is a powerful 4-wheel drive tractor built for serious farming. It has a strong Sisu Diesel engine with 6 cylinders and 298.9 horsepower. This engine is turbocharged and cooled by air and liquid, which helps it work hard in tough conditions. The tractor uses diesel fuel and has a special system to reduce harmful emissions. This big tractor is 215.7 inches long and 141 inches tall, weighing 25,365 pounds. It has large agricultural tires, with the front tires being 70 inches tall and the back tires 85 inches tall. The MT665D has a comfortable cab for the driver and uses a high-tech transmission that can change speeds smoothly. It also has a strong hydraulic system that can lift heavy equipment. The tractor is designed to be quiet, with a sound level of 71 decibels in the cab when not working. Special features like Quadlink suspension and wet disc brakes make it safer and more comfortable to drive.
Full specifications
Every recorded spec
General
| Manufacturer | Challenger |
|---|---|
| Model | MT665D |
| Category | Agricultural tractor |
| Type | 4WD |
| Operating weight | 25,365lb |
Engine
| Make | Sisu Diesel |
|---|---|
| Power | 298.9hp |
| Cylinders | 6 |
| Displacement | 513.8ci |
| Bore | 4.37in |
| Stroke | 5.71in |
Transmission
| Type | Continuously Variable Transmission |
|---|
Chassis & drive
| Chassis | 4WD |
|---|---|
| Drive | 4 Wheel Drive |
| Steering | Hydrostatic Power |
| Cab | Cab |
Hydraulics
| Type | Closed Center Load Sensing (CCLS) |
|---|
Dimensions
| Length | 215.7in |
|---|---|
| Height | 141in |
| Operating weight | 25,365lb |
Head to head
MT665D vs. Agricultural median
How the Challenger MT665D compares to other Agricultural tractors
| Spec | This model | Agricultural median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 299 hp | 110 hp | +172% | 93rd |
| Engine Displacement | 514 ci | 336 ci | +53% | 88th |
| Cylinders | 6 | 5.5 | +9% | 74th |
| Operating Weight | 25,365 lb | 10,914 lb | +132% | 92nd |
| Length | 216 in | 173 in | +25% | 88th |
| Height | 141 in | 111 in | +27% | 96th |
Medians and percentiles are computed from the agricultural tractors in our database with a recorded value for each spec (sample sizes 795–1,130 models).
Compare to tractors with similar specs
Commonly compared Challenger tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Challenger MT765 | 298.77 hp | 29,345 lb | — | Compare → |
| Challenger MT755C | 301 hp | 30,195 lb | — | Compare → |
| Challenger MT685E | 304.8 hp | 24,835 lb | — | Compare → |
| Challenger MT665C | 290.3 hp | 25,795 lb | — | Compare → |
| Challenger MT665B | 290 hp | 19,550 lb | — | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Allis Chalmers 8550 | 300 hp | 27,040 lb | 1978–1981 | Compare → |
| Belarus 7100 | 300 hp | 29,735 lb | — | Compare → |
| Belarus 7100M | 300 hp | 30,580 lb | — | Compare → |
| Belarus 7111 | 300 hp | 29,760 lb | — | Compare → |
| CaseIH 4894 | 300 hp | 25,750 lb | — | Compare → |
Explore
Challenger siblings
Explore
Similar-spec models
Gallery
Challenger MT665D photos
FAQ
Common questions
What is the engine power output of the Challenger MT665D?
Rated engine output for the Challenger MT665D is 298.9 hp, delivered by a 6-cylinder engine. The engine displaces 513.8 ci.
What is the operating weight of the Challenger MT665D?
In working trim, the Challenger MT665D comes in at roughly 25,365 lb.
Which transmission does the Challenger MT665D use?
The Challenger MT665D is equipped with a Continuously Variable Transmission transmission.
What hydraulics does the Challenger MT665D have?
The Challenger MT665D uses a Closed Center Load Sensing (CCLS) hydraulic system.
What three-point hitch category does the Challenger MT665D use?
The Challenger MT665D has a Category III three-point hitch.
How do I maintain a Challenger MT665D?
Routine service for the Challenger MT665D covers engine oil and filter changes, hydraulic and coolant level checks, air filter cleaning, and scheduled inspections. Refer to the manufacturer's maintenance schedule for exact intervals.