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The Cat® 309 CR Mini Excavator delivers maximum power and performance in a mini size to help you work in a wide range of applications.

Cat Specs
Photos
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Weights

Operating Weight
21091 lb
Note (2)
**Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket.
Note (1)
*Minimum Weight is based on steel tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket.

Engine

Gross Power - SAE J1995
74.3 HP
Bore
3.7 in
Stroke
4.7 in
Displacement
203 in²
Engine Model
Cat C3.3B
Net Power
69.5 HP

Sound

Note
European Union Directive "2000/14/EC"

Service Refill Capacities

Hydraulic Tank
14 gal (US)
Engine Oil
3 gal (US)
Cooling System
2.6 gal (US)
Fuel Tank
39 gal (US)
Hydraulic System
29 gal (US)

Air Conditioning System

Air Conditioning
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.0 kg of refrigerant which has a CO2 equiv

Shipping

UPC
96%

Hydraulic System

Type
Load Sensing Hydraulics with Variable Displacement Piston Pump