Centaur AG-48
The Centaur AG-48 is a tractor produced by Centaur. It is equipped with a 140 ci 2.3 L engine. Transmission: 4 forward and 1 reverse. Operating weight: 2,700 lbs 1224 kg.
Fuel & Capacities
Gasoline
Transmission
4 forward and 1 reverse
Operating Weight
2,700 lbs
1224 kg
Overview
 | 1948 - 1950
Standard-tread tractorLe Roi built
Standard-tread tractor
Le Roi built |
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Production | |
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Distributor | Centaur |
Manufacturer | Le Roi |
Standard-tread tractor | |
Built in Greenwich, Ohio, USA | |
Centaur AG-48 Engine | |
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Le Roi 2.3L 4-cyl gasoline | |
Engine details ...  |
Centaur AG-48 Transmission | |
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4-speed unsynchronized gear | |
Transmission details ...  |
Centaur AG-48 Power | |
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Drawbar (claimed) | 20 hp
14.9 kW |
Belt (claimed) | 25 hp
18.6 kW |
Drawbar (tested) | 20.28 hp
15.1 kW |
Belt (tested) | 24.00 hp
17.9 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Two-wheel drive |
Dimensions & Tires | |
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Weight | 2,700 lbs
1224 kg |
Front tire | 5.00-15 |
Rear tire | 9-24 |
Full dimensions and tires ...  | |
Belt Pulley | |
|---|---|
Diameter | 6 inches
15 cm |
Width | 6.25 inches
15 cm |
RPM | 1500 |
Speed | 2756 ft/min
840.03 meters/min |
Engine
Engine Detail — 140 ci / 2.3 L Gasoline
Manufacturer | Le Roi D140 |
Fuel Type | Gasoline |
Configuration | 4-cylinder, liquid-cooled |
Displacement | 140 ci
2.3 L |
Bore/Stroke | 3.50x3.625 inches
89 x 92 mm |
Air cleaner | oil bath |
Rated RPM | 1500 |
Transmission
Transmission — 4 forward and 1 reverse unsynchronized gear
Type | unsynchronized gear |
Gears | 4 forward and 1 reverse |
Clutch | dry disc |
 | |
Dimensions
Centaur AG-48 Tires | |
|---|---|
Ag front | 5.00-15 |
Ag rear | 9-24 |
Dimensions | |
|---|---|
Operating weight | 2,700 lbs
1224 kg |
Ballasted weight | 3,700 lbs
1678 kg |
Front tread | 48 inches
121 cm |
Rear tread | 48 to 59 inches
121 to 149 cm |
Tests
Nebraska Tractor Test 402 | |
|---|---|
Gasoline 4-speed 2WD
September 27 - October 6, 1948
Link: Nebraska Tractor Test 402 file | |
Belt power (max) | 24.00 hp
17.9 kW |
Belt fuel use (max) | 2.6 gal/hour
9.8 l/hour |
Drawbar performance | |
Max power | 20.28 hp
15.1 kW |
Gear 2 used for power test. | |
Max pull | 2,109 lbs
956 kg |
Gear 1 used for pull test. | |
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Centaur AG-48.
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
Centaur AG-48 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Centaur AG-48.
Converted Equivalents:
Horsepower (HP)0 hp
Kilowatts (kW)0 kW
Metric Horsepower (PS / CV)0 PS
Related models
Centaur KV
- Power:
- -1
- Production years:
- 1940 - 1948
Centaur KV-22
- Power:
- -1
- Production years:
- 1935 - 1940