Allis Chalmers HD11AG Series B
The Allis Chalmers HD11AG Series B is a tractor produced by Allis Chalmers. It is equipped with a 516 ci 8.5 L engine. The listed engine power is Diesel (listed): 126.5 hp / 94.3 kW. Transmission: 6 forward and 3 reverse. Drive type: crawler. Operating weight: 25000 lbs 11340 kg.
Engine Power
Diesel (listed): 126.5 hp / 94.3 kW
Drive & Traction
crawler
Fuel & Capacities
97 gal
367.1 L
Transmission
6 forward and 3 reverse
Operating Weight
25000 lbs
11340 kg
Overview
 | 1972 - 1974
Agricultural Crawler tractor |
|---|
Production | |
|---|---|
Manufacturer | Allis Chalmers |
Agricultural Crawler tractor | |
Allis Chalmers HD11AG Series B Engine | |
|---|---|
Allis-Chalmers 8.5L 6-cyl diesel | |
Fuel tank | 97 gal
367.1 L |
Engine details ...  | |
Allis Chalmers HD11AG Series B Transmission | |
|---|---|
6-speed gear | |
Transmission details ...  |
Allis Chalmers HD11AG Series B Power | |
|---|---|
Engine | 126.5 hp
94.3 kW |
Drawbar (claimed) | 106.2 hp
79.2 kW |
Mechanical | |
|---|---|
Drive | crawler |
Open operator station. | |
Dimensions & Tracks | |
|---|---|
Weight | 25000 lbs
11340 kg |
18-inch tracks | |
Full dimensions and tracks ...  | |
Electrical | |
|---|---|
Charging system | alternator |
Charging amps | 20 |
References | |
|---|---|
 | |
HD-11 Series B Turbocharged Crawler for Agriculture published in 1972, by Allis Chalmers |
Engine
Engine Detail — 516 ci / 8.5 L Diesel
Manufacturer | Allis-Chalmers 11000 |
Configuration | turbocharged diesel, 6-cylinder, liquid-cooled |
Displacement | 516 ci
8.5 L |
Bore/Stroke | 4.4375x5.5625 inches
113 x 141 mm |
Power | 126.5 hp
94.3 kW |
Air cleaner | dry |
Rated RPM | 1800 |
Starter | electric |
Starter volts | 24 |
Oil capacity | 29 qts
27.4 L |
Coolant capacity | 44 qts
41.6 L |
Transmission
Transmission — 6 forward and 3 reverse gear
Type | gear |
Gears | 6 forward and 3 reverse |
Oil capacity | 74 qts
70.0 L |
 | |
Dimensions
Allis Chalmers HD11AG Series B Tracks | |
|---|---|
Width | 18 inches
45 cm |
Length on ground | 92.1 inches
233 cm |
Area on ground | 3316 in²
2.1 m² |
Ground pressure | 7.1 psi
0.5 bar |
Width | 20 inches
50 cm |
Width | 22 inches
55 cm |
Width | 24 inches
60 cm |
Width | 30 inches
76 cm |
Dimensions | |
|---|---|
Length | 125 inches
317 cm |
Width | 96 inches
243 cm |
Height (hood) | 84 inches
213 cm |
Operating weight | 25000 lbs
11340 kg |
Ground clearance | 12 inches
30 cm |
Gauge | 74 inches
187 cm |
Photos
Allis Chalmers HD11AG Series B tractor photo
Recommended Implements & Sizing Guide
Engineering recommendations for Allis Chalmers HD11AG Series B based on its 126.5 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 4 to 5 Bottom (16-18")4 - 5 铧 (40-45 cm) | Heavy Duty | Heavy primary tillage; semi-mounted hitch recommended. |
Rotary Cutter / MowerMowing & Clearing | 10 to 12 ft Flex-Wing3.0 - 3.6 m 折叠双翼 | Heavy Duty | Wide swath pasture and crop residue shredding. |
Rotary TillerSeedbed Prep | 90 to 120 in Heavy Duty230 - 300 cm 重型旋耕机 | Commercial / Field Scale | Deep intensive seedbed preparation for commercial row crops. |
Disc HarrowSecondary Tillage | 15 to 22 ft Folding Disc4.5 - 6.7 m 折叠式圆盘耙 | Commercial / Field Scale | Wide commercial field leveling; requires hydraulic remotes. |
Hay BalerHay & Forage | 5x6 Round Baler or 3x3 Mid Square1.5x1.8 m 大圆捆或中型方捆机 | Heavy Duty | High density baling; requires minimum 85 PTO HP. |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Allis Chalmers HD11AG Series B.
Estimated Continuous Field Runtime: 14.7 hrs
Approximately 14.7 hours of continuous field operation at ~75% rated power on a full tank (97 gal / 367.2 L).
Estimated 75% Load Fuel Burn~6.6 gal/hr (24.9 L/hr)
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
Allis Chalmers HD11AG Series B Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Allis Chalmers HD11AG Series B.
Converted Equivalents:
Horsepower (HP)126.5 hp
Kilowatts (kW)94.3 kW
Metric Horsepower (PS / CV)128.3 PS
Direct Competitor Comparison
Compare Allis Chalmers HD11AG Series B against same-era industry alternatives in the same horsepower class.
Current Model
Allis Chalmers
Allis Chalmers HD11AG Series B
Engine Power:Diesel (listed): 126.5 hp / 94.3 kW
★ Baseline Reference
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