Agricultural tractorsSpec sheet
Challenger MT665C
The Challenger MT665C is a powerful tractor built for serious farm work. It has a strong Sisu Diesel engine with 6 cylinders and 290.3 horsepower. This engine is turbocharged and cooled by liquid, which helps it run smoothly. The tractor uses diesel fuel and has a special system to control emissions, making it better for the environment. One of the best things about this tractor is its Continuously Variable Transmission (CVT). This means it can change speeds smoothly without shifting gears. The MT665C is big and heavy, weighing 25,795 pounds. It has a three-point hitch at the back that can lift up to 26,459.9 pounds, which is great for handling heavy farm equipment. The tractor also has a smart hydraulic system that adjusts to the work being done. With its size and power, the MT665C is perfect for large farms and tough jobs.
ManufacturerChallengerPower290.3 hp(216.5 kW)Class150–300 HP tractors →Engine6-cylinderTransmissionContinuously variable transmission (Techstar CVT)
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Key specifications
- Category
- Agricultural
- Engine power
- 290hp
- Operating weight
- 25,795 lb
- Transmission
- Continuously variable transmission (Techstar CVT)
Category comparison
MT665C compared with its category
vs. Agricultural medianDistribution
Engine Power (hp)
All recorded Agricultural tractors
290.3 hp · 93rd
This model
13
Median 110 hp
282
This modelAgricultural tractorsMediann = 1,028
The MT665C ranks at the 93rd percentile for engine power among recorded agricultural tractors.
Overview
About the Challenger MT665C
The Challenger MT665C is a powerful tractor built for serious farm work. It has a strong Sisu Diesel engine with 6 cylinders and 290.3 horsepower. This engine is turbocharged and cooled by liquid, which helps it run smoothly. The tractor uses diesel fuel and has a special system to control emissions, making it better for the environment. One of the best things about this tractor is its Continuously Variable Transmission (CVT). This means it can change speeds smoothly without shifting gears. The MT665C is big and heavy, weighing 25,795 pounds. It has a three-point hitch at the back that can lift up to 26,459.9 pounds, which is great for handling heavy farm equipment. The tractor also has a smart hydraulic system that adjusts to the work being done. With its size and power, the MT665C is perfect for large farms and tough jobs.
Full specifications
Recorded specifications
General
| Manufacturer | Challenger |
|---|---|
| Model | MT665C |
| Category | Agricultural tractor |
| Operating weight | 25,795lb(11,700 kg) |
Engine
| Make | Sisu Diesel |
|---|---|
| Model | 84CTA |
| Power | 290.3hp(216.5 kW) |
| Cylinders | 6 |
| Displacement | 513ci(8.41 L) |
| Bore | 4.37in(111 mm) |
| Stroke | 5.71in(145 mm) |
Transmission
| Type | Continuously variable transmission (Techstar CVT) |
|---|
Hydraulics
| Type | Closed Center Load Sensing |
|---|
Dimensions
| Length | 223.2in(5,669 mm) |
|---|---|
| Height | 133.1in(3,381 mm) |
| Operating weight | 25,795lb(11,700 kg) |
Closest alternatives
MT665C compared with the nearest models by horsepower
The closest agricultural models to the Challenger MT665C by rated horsepower are the Challenger MT665B and the Challenger MT665E. The Challenger MT665B matches it on rated power and weighs 6,250 lb less, so it is lighter for its power, which favors PTO and transport work over heavy draft. The Challenger MT665E matches it on rated power and weighs 1,130 lb less. Of the 3 models, the MT665C has the highest weight per horsepower at 89 lb per hp.
| Spec | Challenger MT665C | Challenger MT665B | Challenger MT665E |
|---|---|---|---|
| Engine power | 290.3 hp216.5 kW | 290 hp216.3 kW | 290 hp216.3 kW |
| Operating weight | 25,795 lb11,700 kg | 19,550 lb8,868 kg | 24,670 lb11,190 kg |
| Weight per hp | 89 lb/hp54 kg/kW | 67 lb/hp41 kg/kW | 85 lb/hp52 kg/kW |
| Displacement | 513 ci8.41 L | 513 ci8.41 L | 513 ci8.41 L |
| Cylinders | 6 | 6 | 6 |
| Transmission | Continuously variable transmission (Techstar CVT) | Power Shift | Continuously Variable Transmission (CVT) |
Calculators
Calculators for the MT665C
PTO power
About 241 to 261 PTO hp
Estimated from the 290.3 hp engine rating. The calculator also estimates drawbar power by surface.
Implement sizing
Implements a 290.3 hp tractor can run
Maximum size is about a 34.5 ft rotary cutter or a 29.5 ft tiller. The calculator also sizes discs, plows and balers.
Ballast
103 lb per PTO hp as listed
Heavy draft work calls for 120 to 135 lb/hp. The calculator gives the ballast to add.
Units
290.3 hp is 216.5 kW
The converter gives kW and metric PS values, as used on European spec sheets.
Category medians
MT665C vs. Agricultural median
Challenger MT665C compared with other Agricultural tractors
| Spec | This model | Agricultural median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 290 hp | 110 hp | +164% | 93rd |
| Engine Displacement | 513 ci | 336 ci | +53% | 88th |
| Cylinders | 6 | 5.5 | +9% | 74th |
| Operating Weight | 25,795 lb | 10,914 lb | +136% | 93rd |
| Length | 223 in | 173 in | +29% | 91st |
| Height | 133 in | 111 in | +20% | 92nd |
| 3-Point Hitch Capacity | 26,460 lb | 12,126 lb | +118% | 95th |
Medians and percentiles are calculated from the agricultural tractors in the database that have a recorded value for each specification (sample size 93–1,130 models).
Same manufacturer
Other Challenger models
Other manufacturers
Models with similar horsepower
FAQ
Frequently asked questions
How powerful is the Challenger MT665C?
The Challenger MT665C has an engine power output of 290.3 hp. It is powered by a 6-cylinder engine displacing 513 ci.
What type of transmission does the Challenger MT665C have?
The Challenger MT665C uses a Continuously variable transmission (Techstar CVT) transmission.
What type of hydraulic system does the Challenger MT665C use?
Hydraulics on the Challenger MT665C are Closed Center Load Sensing.
What hitch category is the Challenger MT665C?
The Challenger MT665C uses a Category III hitch with a lift capacity of 26,459.9 lb.
What is the working weight of the Challenger MT665C?
The operating weight of the Challenger MT665C is approximately 25,795 lb.
What routine service does the Challenger MT665C need?
Regular maintenance for the Challenger MT665C 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.