Centaur AG-48
The Centaur AG-48 is a tractor produced by Centaur. It is equipped with a 140 ci 2.3 L engine. The rated power output is 24.00 hp 17.9 kW. Transmission: 4 forward and 1 reverse. Operating weight: 2,700 lbs 1224 kg.
Engine Power
24.00 hp
17.9 kW
Fuel & Capacities
Gasoline
Transmission
4 forward and 1 reverse
Operating Weight
2,700 lbs
1224 kg
Centaur AG-48 Serial Number & Year Decoder
Find the exact manufacture year of your tractor by checking your chassis serial number below.
Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.
Overview
![]() | 1948 - 1950
Standard-tread tractorLe Roi built |
|---|---|
1948 - 1950 | |
Standard-tread tractor | |
Le Roi built | |
1948 - 1950 | |
|---|---|
Standard-tread tractor | |
Le Roi built |
Production | |
|---|---|
Distributor | Centaur |
Manufacturer | Le Roi |
Standard-tread tractor | |
Built in Greenwich, Ohio, USA | |
Centaur AG-48 Engine | |
|---|---|
Le Roi 2.3L 4-cyl gasoline | |
Engine details ... |
Centaur AG-48 Transmission | |
|---|---|
4-speed unsynchronized gear | |
Transmission details ... |
Centaur AG-48 Power | |
|---|---|
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 | |
|---|---|
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
![]() | 1948 - 1950
Standard-tread tractorLe Roi built |
|---|---|
1948 - 1950 | |
Standard-tread tractor | |
Le Roi built | |
1948 - 1950 | |
|---|---|
Standard-tread tractor | |
Le Roi built |
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
![]() | 1948 - 1950
Standard-tread tractorLe Roi built |
|---|---|
1948 - 1950 | |
Standard-tread tractor | |
Le Roi built | |
1948 - 1950 | |
|---|---|
Standard-tread tractor | |
Le Roi built |
Transmission — 4 forward and 1 reverse unsynchronized gear
Type | unsynchronized gear |
Gears | 4 forward and 1 reverse |
Clutch | dry disc |
![]() | |
Dimensions
![]() | 1948 - 1950
Standard-tread tractorLe Roi built |
|---|---|
1948 - 1950 | |
Standard-tread tractor | |
Le Roi built | |
1948 - 1950 | |
|---|---|
Standard-tread tractor | |
Le Roi built |
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
![]() | 1948 - 1950
Standard-tread tractorLe Roi built |
|---|---|
1948 - 1950 | |
Standard-tread tractor | |
Le Roi built | |
1948 - 1950 | |
|---|---|
Standard-tread tractor | |
Le Roi built |
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. | |
Related models
Centaur KV
- Power:
- -1
- Production years:
- 1940 - 1948
Centaur KV-22
- Power:
- -1
- Production years:
- 1935 - 1940

