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: 134.6 in
power: 36.5 hp
Operating weight: 12,555 lb

Side

Front

Tail swing radius: 43.1 in
Max blade height: 15.7 in
Max blade depth: 25.6 in
Overall height (to top of boom): 71.7 in
Overall height (to top of cab): 100.4 in
Swing bearing height: 24.4 in
Track length: 101.8 in
Overall length: 208.9 in
Shoe width: 15.7 in
Width of crawler: 78.0 in
Ground clearance (minimum): 13.2 in

Dimensions

Tail swing radius, with counterweight: 47.2 in
Overall height (to top of boom), long stick: 74.6 in
Overall length, long stick: 210.2 in

Performance

1Max digging depth: 134.6 in
Max digging depth, long stick: 144.5 in
2Max vertical wall digging depth (Vertical wall, standard stick): 91.9 in
Max vertical wall digging depth, long stick: 100.8 in
3Max reach at ground level: 220.1 in
Max reach at ground level, long stick: 229.7 in
4Max digging reach (Maximum reach, standard stick): 226.6 in
Max digging reach, long stick: 235.8 in
5Max digging height: 205.3 in
Max digging height, long stick: 210.8 in
6Max dumping height (Maximum dump clearance, standard stick): 145.7 in
Max dumping height, long stick: 151.4 in
7Boom-in reach (Boom in reach, standard stick): 101.2 in
Boom-in reach, long stick: 101.6 in
16Boom swing offset, right (Boom swing right (plan view)): 34.1 in
17Boom swing offset, left (Boom swing left (plan view)): 24.2 in
Boom swing, left: 72°
Boom swing, right: 50°
Bucket digging force: 11,061 lbf
Arm digging force (Stick digging force, standard stick): 6,362 lbf
Arm digging force, long stick (Stick digging force, long stick): 5,665 lbf
Swing speed (Machine swing speed): 9.0 rpm

Weight

Operating weight: 12,555 lb
Operating weight, cab (minimum): 11,100 lb
Operating weight, canopy (minimum): 10,882 lb
Operating weight, canopy (maximum): 12,337 lb
Weight increase, counterweight: 534 lb
Weight increase, long stick: 75 lb
Weight increase, steel tracks with pads: 827 lb
Weight increase, angle blade: 203 lb

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): 36.5 hp
Gross power (SAE J1995:2014, at 2,400 rpm): 38.9 hp
Bore: 3.3 in
Stroke: 3.9 in
Displacement: 101 in3

Hydraulics

Pump flow: 35 gal/min
Max pressure (Operating pressure, equipment): 3,843 psi
Operating pressure, travel: 3,843 psi
Operating pressure, swing: 2,901 psi
Auxiliary circuit flow, primary: 21 gal/min
Auxiliary circuit flow, secondary: 7.0 gal/min

Travel

Travel speed (high): 2.8 mph
Travel speed (low): 1.7 mph
Max traction force, high speed: 5,553 lbf
Max traction force, low speed: 11,353 lbf
Ground pressure, minimum weight: 26.9 kPa
Ground pressure, maximum weight: 31.8 kPa
Gradeability (maximum): 30°

Blade

Blade width (Straight blade): 78.0 in
Blade height (Straight blade): 16.3 in
Blade width, angle blade: 78.0 in
Blade height, angle blade: 15.7 in
Blade angle, left / right (Angle blade, each side): 25°

Boom and stick

21Stick length: 53.2 in
Stick length, long stick: 63.0 in

Service capacities

Fuel tank: 17.0 gal
Cooling system: 2.9 gal
Engine oil: 1.6 gal
Hydraulic tank: 16.0 gal
Hydraulic system: 20.0 gal
Final drive (each): 0.3 US gal

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