Deutz-Allis 7145

Last Updated: July 2024

Overview

The Deutz-Allis 7145 is a 4WD row-crop tractor with a 6-cylinder, turbocharged, air-cooled Deutz BF6L913 diesel engine. The engine has a displacement of 374 ci (6128 cc), bore of 4.016 in (102 mm), stroke of 4.921 in (125 mm), and a 15.5:1 compression ratio. It features a selective gear fixed ratio transmission with partial power shift and 36 forward, 12 reverse gears. Key specs include 18.4-26 front and 20.8R38 rear agricultural tires, hydrostatic power steering, multiple wet disc hydraulic brakes, and PTO speeds of 540/1000 rpm. The unladen weight is 13,180 lbs, with a maximum operating weight of 18,760 lbs with ballast.

Key Specifications

Category: Row Crop

Transmission: Selective gear fixed ratio with partial (2) range operator controlled power shift

Drive Type: 4WD

Operating Weight: 15,395 (without ballast)

Fuel Type: Diesel

Deutz-Allis 7145 vs. Similar Tractors

Operating Weight

Poor

Greater than 5% of similar tractors.

Technical Specifications

Engine

Manufacturer: Deutz
Model: BF6L913
Cooling Type: Air-cooled
Cylinder Orientation: -
Valve Configuration: -
Fuel Type: Diesel
Induction Type: Turbocharged
Cylinders: 6
Displacement (ci): 374
Bore (in): 4.016
Stroke (in): 4.921
Rated RPM: 2400
Power Output (hp): -

Transmission

Type: Selective gear fixed ratio with partial (2) range operator controlled power shift
Forward Gears: 36
Reverse Gears: 12
Total Gears: -

Dimensions

Length (in): 185.4
Width (in): 93
Height (in): Cab: 107.5, Exhaust: 109.8
Operating Weight (lb): 15,395 (without ballast)

Power Take-Off (PTO)

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

Miscellaneous

Chassis: 4x4 4WD
Drive Type: 4WD
Steering Type: Hydrostatic power
Coolant Capacity (qts): Not applicable (Air-cooled engine)
Front Tire Diameter (in): -
Front Tire Width (in): -
Rear Tire Diameter (in): -
Rear Tire Width (in): -
Front/Rear Rim Diameter (in): -
Tire Type: Agricultural
Manufacture - End Year: -
Hitch Type: -
Hitch Category: Category III
Hitch Position: Rear
Hitch Capacity (lb): -
Operator Station Type: Cab
Starter Type: Electric (12 volts, 5 hp)
Brake Type: -
Hydraulic System Type: Open Center

Test Results

Nebraska Tractor Test Laboratory - Test Date: January to April 1985

Maximum Power and Fuel Consumption

Maximum Power: 144.6 HP (107.8 kW) at 2400 rpm
Fuel Consumption at Maximum Power: 8.61 Gal/hr (32.60 l/h) with a fuel efficiency of 0.416 lb/hp.hr (0.253 kg/kW.h)
Fuel Efficiency: 16.80 Hp.hr/gal (3.31 kW.h/l)

Drawbar Performance

Drawbar Power at 23rd Gear: 98.8 HP (73.7 kW) at 2463 rpm
Maximum Power in 16th Gear: 111.0 HP (82.8 kW) at 2396 rpm
Fuel Consumption at 23rd Gear: 7.21 Gal/hr (27.28 l/h) with a fuel efficiency of 0.510 lb/hp.hr (0.310 kg/kW.h)

Torque and Engine Performance

Maximum Torque: 385.7 lb.-ft. (523 Nm) at 1696 rpm
Torque Rise: 22%

Hydraulic Performance

Maximum Force Exerted: 10070 lbs (44.80 kN) at hitch points
Pump Delivery Rate: 16.2 GPM (61.2 l/min) at minimum pressure and rated engine speed
Hydraulic Power: 19.2 HP (14.3 kW) at delivery pressure of 2160 psi (152 bar)

Overall Efficiency

Fuel Efficiency at PTO Speed (1000 rpm): 17.81 Hp.hr/gal (3.50 kW.h/l)
Fuel Consumption: 7.99 Gal/hr (30.26 l/h) at 2095 rpm

NTTL.(1985).Nebraska Summary: S002 Deutz-Allis 7145. Lincoln, NE:Nebraska Tractor Test Laboratory. Retrieved from https://digitalcommons.unl.edu/tractormuseumlit/2675