Caterpillar 73D
Series: Caterpillar Rock Truck
The 73D from Caterpillar is part of the Caterpillar Rock Truck series. The engine delivers 692.5 hp (509.3 kW). Top speed is 57.3 km/h. The tank holds 700.3 litres. The engine fitted is the 3412E HEUI. Tyre size: 21x35 2 ** Radials. The Caterpillar Rock Truck series covers 29 models. Rated output within it ranges from 480.6 to 3,599.2 hp; the 73D sits at the bottom of that range with 692.5 hp. Its immediate neighbours are the 773B below it with 692.1 hp and the 773E above it with 719.8 hp. 1091 Caterpillar models across 47 series are on record. The model is listed under Mining equipment. 8 verified figures from 1 source are on file.
Technical data
Engine
| Engine model | 3412E HEUIcorrect |
|---|---|
| Power | 692.5 hp (509.3 kW)correct |
Dimensions and weights
| Length | 9,232.4correct |
|---|---|
| Width | 4,200.1correct |
Drivetrain and chassis
| Tyre size | 21x35 2 ** Radialscorrect |
|---|---|
| Top speed | 57.3 km/hcorrect |
Working data
| Fuel tank capacity | 700.3 lcorrect |
|---|
Frequently asked questions
How much power does the Caterpillar 73D have?
The Caterpillar 73D delivers 692 hp.
How fast does the Caterpillar 73D go?
Top speed is 57.3 km/h.
What are the dimensions of the Caterpillar 73D?
9,232 mm × 4,200 mm.
What to check before buying
- Check the hour meter against the service records — a replaced instrument is the most common gap.
- Compare the data plate and chassis number with the papers.
- Load the hydraulics and watch for sag.
- Ask about parts availability for this build year — the running costs hang on it.
A general list for this type of machine — no substitute for an inspection or an appraiser.
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This page carries 8 individual figures for this model. They come from 1 recorded source; every figure can be traced there. What we cannot document is not here — we leave gaps open rather than estimate them.
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Other models in this series
Sources: [1]
Dump truck in 3D section
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