Cat 305 CR

Cat 305 CR mini excavator, Tier 3 build for less-regulated markets (Cat C1.7 Turbo, Brazil MAR-1 / EU Stage IIIA equivalent) as sold by Al-Bahar in the UAE/GCC, from Cat's small Specalog AEHQ8406 (05-2022); dimensions are for the standard 1351 mm stick unless a row says long stick.

UAEUSAGlobal

digging depth: 3.42 m
power: 27.2 kW (36.5 hp)
Operating weight: 5,695 kg

Side

Front

Tail swing radius: 1.095 m
Max blade height: 0.4 m
Max blade depth: 0.65 m
Overall height (to top of boom): 1.82 m
Overall height (to top of cab): 2.55 m
Swing bearing height: 0.619 m
Track length: 2.585 m
Overall length: 5.305 m
Shoe width: 0.4 m
Width of crawler: 1.98 m
Ground clearance (minimum): 0.335 m

Dimensions

Tail swing radius, with counterweight: 1.2 m
Overall height (to top of boom), long stick: 1.895 m
Overall length, long stick: 5.34 m

Performance

1Max digging depth: 3.42 m
Max digging depth, long stick: 3.67 m
2Max vertical wall digging depth (Vertical wall, standard stick): 2.335 m
Max vertical wall digging depth, long stick: 2.56 m
3Max reach at ground level: 5.59 m
Max reach at ground level, long stick: 5.835 m
4Max digging reach (Maximum reach, standard stick): 5.755 m
Max digging reach, long stick: 5.99 m
5Max digging height: 5.215 m
Max digging height, long stick: 5.355 m
6Max dumping height (Maximum dump clearance, standard stick): 3.7 m
Max dumping height, long stick: 3.845 m
7Boom-in reach (Boom in reach, standard stick): 2.57 m
Boom-in reach, long stick: 2.58 m
16Boom swing offset, right (Boom swing right (plan view)): 0.865 m
17Boom swing offset, left (Boom swing left (plan view)): 0.615 m
Boom swing, left: 72°
Boom swing, right: 50°
Bucket digging force: 49 kN
Arm digging force (Stick digging force, standard stick): 28 kN
Arm digging force, long stick (Stick digging force, long stick): 25 kN
Swing speed (Machine swing speed): 9.0 rpm

Weight

Operating weight: 5,695 kg
Operating weight, cab (minimum): 5,035 kg
Operating weight, canopy (minimum): 4,936 kg
Operating weight, canopy (maximum): 5,596 kg
Weight increase, counterweight: 242 kg
Weight increase, long stick: 34 kg
Weight increase, steel tracks with pads: 375 kg
Weight increase, angle blade: 92 kg

Engine

Engine model: Cat C1.7 Turbo
Emissions: Brazil MAR-1 (equivalent to EU Stage IIIA)
Net power (ISO 9249, 80/1269/EEC, at 2,400 rpm): 27.2 kW (36.5 hp)
Gross power (SAE J1995:2014, at 2,400 rpm): 29 kW (38.9 hp)
Bore: 84 mm
Stroke: 100 mm
Displacement: 1.7 L

Hydraulics

Pump flow: 133 L/min
Max pressure (Operating pressure, equipment): 265 bar
Operating pressure, travel: 265 bar
Operating pressure, swing: 200 bar
Auxiliary circuit flow, primary: 80 L/min
Auxiliary circuit flow, secondary: 28 L/min

Travel

Travel speed (high): 4.5 km/h
Travel speed (low): 2.8 km/h
Max traction force, high speed: 25 kN
Max traction force, low speed: 51 kN
Ground pressure, minimum weight: 26.9 kPa
Ground pressure, maximum weight: 31.8 kPa
Gradeability (maximum): 30°

Blade

Blade width (Straight blade): 1.98 m
Blade height (Straight blade): 0.415 m
Blade width, angle blade: 1.98 m
Blade height, angle blade: 0.4 m
Blade angle, left / right (Angle blade, each side): 25°

Boom and stick

21Stick length: 1.351 m
Stick length, long stick: 1.601 m

Service capacities

Fuel tank: 63 L
Cooling system: 11 L
Engine oil: 6 L
Hydraulic tank: 60 L
Hydraulic system: 75 L
Final drive (each): 1 L

Service intervals

Engine oil and filter (or 6 months): 500 hours
Hydraulic oil: 2,000 hours
Final drive oil (or 12 months): 2,000 hours
Coolant (or 72 months): 12,000 hours