English
Lietuvių
Latviešu
Eesti
Polski
Русский
Українська
Deutsch
Nederlands
Čeština
Slovenčina
Svenska
Norsk
Dansk
Suomi
Caterpillar 302: mini excavator series and what to check
Caterpillar 302 — a compact mini excavator series with an operating weight of around 1.5–3 t. We look at the most common versions, their purposes, and what to check when buying a used mini excavator.
302 in brief
Cat 302 series mini excavators are designed for small-scale digging tasks: trench work for utilities, garden and yard maintenance, and foundation digging in tight spaces. Due to their small size, they can be towed with a trailer and fit through narrow entrances.
These excavators are popular among small contractors in the used market due to their low operating costs and readily available parts.
Versions and CR designation
The series includes several versions, such as the 302.5, 302.7, and 302 CR. The letters CR denote a compact tail swing — the machine protrudes less during turning, making it more maneuverable in tight spaces.
Versions differ in operating weight, digging depth, and equipment, so it's worth confirming the exact model and year of manufacture before purchasing. Many machines come with additional hydraulics for quick coupling or a hammer.
Engines and key components
Mini excavators use small diesel engines, typically with three cylinders. They are economical and easy to maintain, but require regular oil and filter changes.
Key components: hydraulic pump, control valves, rubber or steel tracks, boom and arm cylinders, and buckets. These machines are usually operated hydraulically with joysticks.
What to check when buying a used 302
Check the engine hours, see if it starts easily, and look for any smoke or oil leaks. Test all functions: the steering wheel, handbrake, clutch, gearstick, and accelerator — movements should be smooth, with no juddering.
Inspect the tyres (check for uneven wear), wheels and hubcaps, as well as the play in the steering and suspension. Feel if the car hasn't been used with a jack, which wears out the hydraulics faster.
Versions and trims
Names and equipment vary by market and production year; we list the versions most commonly found in Europe.
302.5
The smaller versionThe most compact version for narrow driveways.
- The lightest in the series
- Easy to tow with a trailer
- Suitable for gardens and driveways
302.7
The mid-size versionA bit more power and ground clearance.
- Often comes with additional hydraulics
- Greater stability
- More versatile use
302 CR
Compact turning circleLess overhang for tight spaces.
- Short rear overhang
- Often — solid rear axle
- Ideal for urban construction
302 su kabina
depending on the trimEnclosed cab for better comfort.
- Heating and protection from weather conditions
- Often — air conditioning
- Suitable for year-round working businesses
Comparison of 302 versions
| 302.5 | 302.7 | 302 CR | |
|---|---|---|---|
| Who it's for | For light duties | Versatile use | For city jobs in tight spaces |
| Size | Smallest | Mid-range | Compact turn |
| Hydraulics | Base | Often an add-on | Often an add-on |
| Price in the used market (relatively) | Budget-friendly | Mid-range | Mid-range |
For small garden and yard jobs, the simpler version will do. For city driving and tight spaces, opt for the CR variant.
Pros
- Compact size and easy manoeuvrability
- Low running costs
- Good supply of Cat parts and services
- Ideal for tight spaces
Cons
- Less digging power than larger machines
- Tires wear out quickly on job sites with rocks
- Prices in the used market are often higher than those of other manufacturers
Frequently asked questions
How much does a Cat 302 weigh?
Depending on the version, the operating weight is around 1.5–3 t. Check the exact weight in the specific vehicle's documents.
Can a 302 tow a trailer in the B category?
This depends on the vehicle's weight, the towing vehicle's capacity, and the trailer's permissible weight. Before towing, check all weights according to Lithuanian regulations.
Is it worth buying a 302 with rubber tracks?
Yes, if they are worn out or damaged—this is a bargaining point. Rubber tracks are comfortable on asphalt and gravel, but they wear out more quickly on rocky terrain.
Updated 2026-10-21 · Trim levels and equipment vary by market and model year — check the equipment of the specific car. · Translated automatically
