Caterpillar R5
The Caterpillar R5 is a tractor produced by Caterpillar. It is equipped with a 618 ci 10.1 L engine. Transmission: 4 forward and 1 reverse. Drive type: crawler. Operating weight: 13675 lbs 6202 kg.
Drive & Traction
crawler
Fuel & Capacities
50 gal
189.2 L
Transmission
4 forward and 1 reverse
Operating Weight
13675 lbs
6202 kg
Overview
![]() | 1934 - 1940
Agricultural Crawler tractor |
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Production | |
|---|---|
Manufacturer | Caterpillar |
Agricultural Crawler tractor | |
Built in Peoria, Illinois, USA | |
The Caterpillar R5 was originally a special-order machine for the US Government. It was first based on the Thirty-Five, then the Forty. Later models were the gas counterpart to the RD6. | |
Caterpillar R5 Engine | |
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Caterpillar 10.1L 4-cyl gasoline | |
Fuel tank | 50 gal
189.2 L |
Engine details ... | |
Caterpillar R5 Transmission | |
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4-speed gear | |
Transmission details ... |
Caterpillar R5 Power | |
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Drawbar (claimed) | 50 hp
37.3 kW |
Belt (claimed) | 58 hp
43.3 kW |
Drawbar (tested) | 49.44 hp
36.9 kW |
Belt (tested) | 58.89 hp
43.9 kW |
Performance test details ... | |
Mechanical | |
|---|---|
Drive | crawler |
Open operator station. | |
Dimensions & Tracks | |
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Weight | 13675 lbs
6202 kg |
16-inch tracks | |
Full dimensions and tracks ... | |
Belt Pulley | |
|---|---|
Diameter | 12 inches
30 cm |
Width | 8.5 inches
21 cm |
RPM | 950 |
References | |
|---|---|
![]() | |
50 Drawbar Horsepower Tractor published in 1934, by Caterpillar |
Engine
Engine Detail — 618 ci / 10.1 L Gasoline
Manufacturer | Caterpillar |
Fuel Type | Gasoline |
Configuration | 4-cylinder, liquid-cooled |
Displacement | 618 ci
10.1 L |
Bore/Stroke | 5.50x6.50 inches
140 x 165 mm |
Rated RPM | 950 |
Oil capacity | 14 qts
13.2 L |
Coolant capacity | 37 qts
35.0 L |
Transmission
Transmission — 4 forward and 1 reverse gear
Type | gear |
Gears | 4 forward and 1 reverse |
Clutch | dry disc |
Oil capacity | 20 qts
18.9 L |
![]() | |
Dimensions
Caterpillar R5 Tracks | |
|---|---|
Width | 16 inches
40 cm |
Length on ground | 71.4 inches
181 cm |
Area on ground | 2284 in²
1.5 m² |
Dimensions | |
|---|---|
Length | 139.4 inches
354 cm |
Width | 72.5 inches
184 cm |
Height | 69.3 inches
176 cm |
Weight | 13675 lbs
6202 kg |
Ground clearance | 9.75 inches
24 cm |
Gauge | 56 inches
142 cm |
Tests
Nebraska Tractor Test 224 | |
|---|---|
Gasoline 4-speed crawler
July 12 - 20, 1934
Link: Nebraska Tractor Test 224 file | |
Belt power (max) | 58.89 hp
43.9 kW |
Drawbar performance | |
Max power | 49.44 hp
36.9 kW |
Gear 2 used for power test. | |
Max pull | 10834 lbs
4914 kg |
Gear 1 used for pull test. | |
Photos
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Caterpillar R5.
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
Caterpillar R5 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Caterpillar R5.
Converted Equivalents:
Horsepower (HP)0 hp
Kilowatts (kW)0 kW
Metric Horsepower (PS / CV)0 PS
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