Deutz-Fahr 6.61 Tractor

Manufacturer Deutz-Fahr
Price -
Model 6.61
Equipment Type -
Factory

DEUTZ-FAHR 6.61 POWER

Engine 143hp / 106.6kW

ENGINE DETAIL

The Deutz-Fahr 6.61 tractor features a robust Deutz BF6L 913T turbocharged diesel engine, providing a high displacement of 6.1L that contributes to its impressive power output of 143hp at 2300 RPM. The use of air-cooling enhances reliability and serviceability in varied operating conditions, although it may limit efficiency in extremely hot climates. This tractor is well-suited for heavy-duty agricultural tasks, offering a balance between power and robustness, but operators should consider potential overheating in sustained high-load operations.

Description Deutz BF6L 913T turbocharged diesel 6-cylinder air-cooled
Displacement 373.9ci / 6.1L
Bore/Stroke 4.02x4.92inches / 102x 125mm
Power 143hp / 106.6kW
Rated RPM 2300

DEUTZ-FAHR 6.61 ENGINE

The Deutz-Fahr 6.61 tractor is powered by a robust 6.1L 6-cylinder diesel engine, offering high torque output which enhances pulling power for heavy-duty applications. Its substantial fuel tank capacity of 76.6 gallons (289.9 liters) allows for extended operational ranges, critical for large acreage farming or prolonged tasks. However, the heavier fuel load can affect maneuverability in certain terrains, thus careful planning of fuel needs is essential.

Description Deutz 6.1L 6-cyl diesel
Fuel tank 76.6gal / 289.9L

TRANSMISSIONS OVERVIEW

The Deutz-Fahr 6.61 tractor offers an 18-speed transmission option, allowing for precise speed adjustments suited to various field conditions, while the 48-speed option provides extensive versatility for both field and road applications. The higher gear range is advantageous for optimized fuel efficiency and enhanced performance during transport over long distances. However, this complexity may pose a challenge in operator training and maintenance, necessitating familiarity with the transmission system for efficient utilization.

Description 18-speed 48-speed

TRANSMISSION 1

The Deutz-Fahr 6.61 tractor features an 18 forward and 6 reverse gear configuration, providing versatility for various agricultural tasks and terrain. The broad range of gears allows for precise speed control, enhancing operational efficiency during fieldwork and transport applications. However, managing numerous gears may require additional operator skill, especially in complex applications like plowing or towing heavy loads.

Gears 18 forward and 6 reverse

TRANSMISSION 2

The Deutz-Fahr 6.61 tractor features a comprehensive gearbox with 48 forward and 12 reverse gears, providing exceptional versatility for various applications, from heavy tillage to precise maneuvering in tight spaces. This extensive range allows operators to optimize engine performance and fuel efficiency according to specific tasks, although mastering the numerous gear options may present a learning curve for new users. Overall, the advanced transmission system enhances productivity by facilitating smoother transitions and improved control across diverse farming scenarios.

Gears 48 forward and 12 reverse

MECHANICAL

The Deutz-Fahr 6.61 tractor features a robust 4x4 MFWD chassis, promoting enhanced traction and stability in varied terrain conditions, making it suitable for both agricultural and utility applications. Its available 18-speed and 48-speed transmission options provide flexibility for different operational needs, allowing for precise speed control and fuel efficiency in diverse working environments. Considerations include potential increased maintenance for the more complex 48-speed transmission versus the simpler 18-speed option, depending on the user’s specific operational demands.

Chassis 4x4 MFWD 4WD
Transmissions 18-speed 48-speed

HYDRAULICS

Pump flow 14.8gpm / 56.0lpm

TRACTOR HITCH

Rear lift 16537lbs / 7501kg

POWER TAKE-OFF (PTO)

Rear RPM 540, 1000

DEUTZ-FAHR 6.61 TIRES

The Deutz-Fahr 6.61 tractor features dual tire sizes, with 18.4R26 in the front and 20.8R38 in the rear, providing enhanced stability and traction on varied terrain. The larger rear tires improve weight distribution and reduce soil compaction, making it suitable for extensive field operations. However, the tire size configuration may limit maneuverability in tight spaces and require careful consideration of compatibility with existing implements.

Ag front 18.4R26
Ag rear 20.8R38

DIMENSIONS

Wheelbase 107.1inches / 272cm
Length 193.3inches / 490cm
Height 115.8inches / 294cm
Weight 11907lbs / 5401kg

DIMENSIONS & TIRES

The Deutz-Fahr 6.61 tractor features a wheelbase of 107.1 inches, contributing to stability during high-speed operations on uneven terrain. Weighing 11,907 lbs, it provides adequate ballast for plowing and towing applications, while the front tire size of 18.4R26 and rear tire size of 20.8R38 facilitate excellent traction and flotation. However, its weight may limit maneuverability in tight spaces or soft ground conditions.

Wheelbase 107.1inches / 272cm
Weight 11907lbs / 5401kg
Front tire 18.4R26
Rear tire 20.8R38


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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