Caterpillar D4D SA

Name: Caterpillar D4D SA
Brand: Caterpillar

Power

74 hp

Production

1966-1983

Engine

Diesel, 4-cylinder

Transmission

Gear

60–80 HP 1960s 1970s 1980s

From the same series:

D5 SA

Introduction

Caterpillar D4D SA Agricultural Crawler Tractor

The Caterpillar D4D SA is a crawler tractor produced between 1966 and 1983, specifically engineered for agricultural applications. As part of Caterpillar's historical lineup of track-type machines, it was designed to provide high traction and stability in demanding field environments.

Engine and Power

The tractor is powered by the Caterpillar D330 engine, a liquid-cooled, 4-cylinder inline diesel unit. With a displacement of 7.0 liters (425 cubic inches), it produces a gross power output of 74 hp (55.2 kW) at a rated speed of 2000 RPM. The drawbar power is rated at 68 hp (50.7 kW), reflecting its primary utility in pulling heavy implements.

Transmission and Mechanical Layout

The D4D SA utilizes a gear-type transmission providing 5 forward and 5 reverse speeds, allowing for a range of operational work speeds. The chassis is supported by 16-inch tracks, which distribute the machine's 15,200 lbs (6894 kg) weight to minimize ground pressure. The operator station is open by design, with options for a four-post ROPS structure or an enclosed cab to enhance operator safety.

Hydraulic System

The machine features an open-center hydraulic system. It operates at a pressure of 1250 psi (86.2 bar) and delivers a pump flow rate of 20 gpm (75.7 lpm), providing the necessary hydraulic power to operate mounted or trailed agricultural implements.

Electrical and Maintenance

Electrical power is supplied by a 12-volt battery system, supported by an alternator for charging. Routine maintenance requirements include an engine oil capacity of 20 quarts (18.9 liters), a coolant capacity of 32 quarts (30.3 liters), and a transmission oil capacity of 24 quarts (22.7 liters). The engine is started via a 24-volt electric starter system.

Conclusion

"The Caterpillar D4D SA is a robust crawler tractor suited for heavy-duty agricultural tasks requiring consistent drawbar pull and high-traction performance. Its mechanical simplicity and durable build quality make it a representative model of mid-20th-century agricultural engineering."

Introduction

Production Information of Caterpillar, D4D SA

The production information of the tractor (D4D SA) includes details about its manufacturing.

Agricultural Crawler tractor


Manufacturer	Caterpillar

Dimension and Tires Information of Caterpillar, D4D SA

This section sums up the dimension and tires information of the tractor.

No data available

Engine Specifications of Caterpillar, D4D SA

Get the specifications for the engine and if different options are available.

Caterpillar D330

Liquid-cooled inline

Diesel

4-cylinder


Oil capacity	20 qts [18.9 L]
Displacement	425 ci [7.0 L]
Rated RPM	2000
Bore/Stroke	4.75x6.00 inches [121 x 152 mm]
Coolant capacity	32 qts [30.3 L]
Starter volts	24
Starter	Electric
Power (gross)	74 hp [55.2 kW]

Transmission Information of Caterpillar, D4D SAY

Discover all variants of transmission available for this tractor model.

Transmission variants 1


Type	Gear
Gears	5 forward and reverse
Oil capacity	24 qts [22.7 L]

Mechanical Specs of Caterpillar, D4D SAY

This section summarizes all mechanical information such as the brake system and other specifications.

Open operator station. Four-post ROPS and cab available.


Drive	Crawler

Power Information of Caterpillar, D4D SAY

Discover the power specifications and options available for this tractor model but also PTO (Power Take-off) information.


Engine (gross)	74 hp [55.2 kW]
Drawbar (claimed)	68 hp [50.7 kW]

Hydraulics Specifications of Caterpillar, D4D SA

Hydraulic system type, pressure, pump flow and valves.


Type	Open center
Pressure	1250 psi [86.2 bar]
Pump flow	20 gpm [75.7 lpm]

Electrical System of Caterpillar, D4D SA

Battery voltage, charging system and ground.


Charging system	Alternator
Charging amps	19
Battery volts	12

Frequently asked questions

How much horsepower does the Caterpillar D4D SA have?

The Caterpillar D4D SA delivers 74 HP.

What years was the Caterpillar D4D SA produced?

The Caterpillar D4D SA was produced in 1966-1983.

What engine does the Caterpillar D4D SA have?

The Caterpillar D4D SA is powered by a Diesel, 4-cylinder engine.

What transmission does the Caterpillar D4D SA use?

The Caterpillar D4D SA uses a Gear transmission.

More Caterpillar models

Diesel Fifty73 HP · 1933 - 1936 RD775 HP · 1935 - 1940 Seventy77 HP · 1933 - 1937 Sixty81 HP · 1925 - 1931 R564 HP · 1934 - 1940 Diesel Sixty85 HP · 1931 Diesel Sixty-Five85 HP · 1931 - 1932 D686 HP · 1941 - 1947

View all 49 Caterpillar models →

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