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The Cat® 309 CR Variable Angle Boom (VAB) Mini Excavator delivers maximum power and performance in a mini size to help you work in a wide range of applications. The Variable Angle Boom provides the maximum in linkage flexibility in tight applications.

Cat Specs
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Engine

Net Power
70.3 HP
Gross Power - ISO 14396
74.3 HP
Bore
3.7 in
Stroke
4.7 in
Displacement
203 in²
Engine Model
Cat C3.3B

Weights

Operating Weight
20731 lb
Note
*Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, standard 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.
Note (2)
**Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket.

Service Refill Capacities

Engine Oil
3 gal (US)
Cooling System
2.6 gal (US)
Hydraulic Tank
14 gal (US)
Hydraulic System
28 gal (US)
Fuel Tank
39 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
ISO 12117:1997

Hydraulic System

Type
Load Sensing Hydraulics with Variable Displacement Piston Pump