Deutz-Allis 6250

Last Updated: July 2024

Overview

The Deutz-Allis 6250 is a robust utility tractor powered by a 3-cylinder Deutz F3L 912 diesel engine producing 50.7 hp at 2500 rpm and a maximum torque of 122.2 lb-ft at 1601 rpm. It features a selective gear fixed ratio transmission with 16 forward and 8 reverse gears. The tractor has hydrostatic power steering and hydraulic disc brakes. It is equipped with a 24-inch front and 30-inch rear agricultural tires. The engine is liquid-cooled with separate radiators for crankcase and hydraulic oils. The tractor has a PTO with speeds of 540 rpm at 2202 engine rpm and 1000 rpm at 2389 engine rpm. Additional details include fuel, oil, and lubricant specifications, tire ballast information, dimensions, sound levels, and air cleaner/filter details based on independent test results.

Key Specifications

Category: Utility

Power Output: 50.7

Transmission: Selective gear fixed ratio

Drive Type: 2WD

Operating Weight: 7145

Fuel Type: Diesel

Deutz-Allis 6250 vs. Similar Tractors

Power Output

Average

Greater than 51% of similar tractors.

Operating Weight

Excellent

Greater than 97% of similar tractors.

Technical Specifications

Engine

Manufacturer: Deutz
Model: F3L 912
Cooling Type: Oil cooler separate radiators for crankcase and hydraulic oils
Cylinder Orientation: -
Valve Configuration: -
Fuel Type: Diesel
Induction Type: Natural Aspiration (Typical in diesel engines)
Cylinders: 3
Displacement (ci): 172
Bore (in): 3.937
Stroke (in): 4.724
Rated RPM: 2500
Power Output (hp): 50.7

Transmission

Type: Selective gear fixed ratio
Forward Gears: 16
Reverse Gears: 8
Total Gears: -

Dimensions

Length (in): -
Width (in): 82.3
Height (in): 91.3
Operating Weight (lb): 7145

Power Take-Off (PTO)

PTO Type: -
PTO Speed 1 (rpm): -
PTO Speed 2 (rpm): -
PTO Speed 3 (rpm): -

Miscellaneous

Chassis: 4x2 2WD
Drive Type: 2WD
Steering Type: Hydrostatic
Coolant Capacity (qts): Not provided
Front Tire Diameter (in): 24
Front Tire Width (in): 11.2
Rear Tire Diameter (in): 30
Rear Tire Width (in): 16.9
Front/Rear Rim Diameter (in): -
Tire Type: Ag
Manufacture - End Year: -
Hitch Type: Category I
Hitch Category: I
Hitch Position: Rear
Hitch Capacity (lb): -
Operator Station Type: ROPS (Roll-Over Protective Structure)
Starter Type: Electric
Brake Type: -
Hydraulic System Type: Direct engine drive

Test Results

Nebraska Tractor Test Laboratory - Test Date: October 1985 to January 1986

Maximum Power and Fuel Consumption

Maximum Power: 50.7 HP (37.8 kW) at 2500 rpm
Fuel Consumption at Maximum Power: 3.06 Gal/hr (11.58 l/h) with a fuel efficiency of 0.422 lb/hp.hr (0.257 kg/kW.h)
Standard Power Take-off Speed: 41.7 HP (31.1 kW) at 2202 rpm

Drawbar Performance

Power at Rated Engine Speed (6th Gear): 34.1 HP (25.4 kW) with a drawbar pull of 3185 lbs (14.16 kN) and a speed of 4.01 mph (6.46 km/h)
Fuel Consumption at Rated Speed: 0.506 lb/hp.hr (0.308 kg/kW.h) with a fuel efficiency of 13.81 Hp.hr/gal (2.72 kW.h/l)

Torque and Engine Performance

Maximum Torque: 122.2 lb.ft (166 Nm) at 1601 rpm
Torque Rise: 15%

Hydraulic Performance

Maximum Force Exerted: 3685 lbs (16.40 kN) through the entire hitch range
Pump Delivery Rate: 11.6 GPM (43.9 l/min) at minimum pressure and rated engine speed
Hydraulic Power: 15.3 HP (11.4 kW) at delivery pressure of 2345 psi (165 bar)

Overall Efficiency

Fuel Efficiency at Standard PTO Speed (540 rpm): 17.26 Hp.hr/gal (3.40 kW.h/l)
Fuel Consumption: 2.76 Gal/hr (10.45 l/h) at 2202 rpm

Nebraska Tractor Test Lab.(1986).Nebraska Summary: S004 Deutz-Allis 6250. Lincoln, NE:University of Nebraska-Lincoln. Retrieved from https://digitalcommons.unl.edu/tractormuseumlit/2673