Cat 305 CR specs
- digging depth
- 3.42 m
- net power
- 27.2 kW (36.5 hp)
- operating weight
- 5,695 kg
Cat 305 CR dimensions
| Letter | Dimension | Metric and imperial |
|---|---|---|
| 8 | Tail swing radius | 1.095 m43.1 in |
| 9 | Max blade height | 0.4 m15.7 in |
| 10 | Max blade depth | 0.65 m25.6 in |
| 11 | Overall height (to top of boom) | 1.82 m71.7 in |
| 12 | Overall height (to top of cab) | 2.55 m100.4 in |
| 13 | Swing bearing height | 0.619 m24.4 in |
| 14 | Track length | 2.585 m101.8 in |
| 15 | Overall length | 5.305 m208.9 in |
| 18 | Shoe width | 0.4 m15.7 in |
| 19 | Width of crawler | 1.98 m78.0 in |
| 20 | Ground clearance (minimum) | 0.335 m13.2 in |
Cat 305 CR specifications
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.
60 figures in 8 groups
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
- Max digging depth
- 3.42 m
- Max digging depth, long stick
- 3.67 m
- Max vertical wall digging depth
- 2.335 mVertical wall, standard stick
- Max vertical wall digging depth, long stick
- 2.56 m
- Max reach at ground level
- 5.59 m
- Max reach at ground level, long stick
- 5.835 m
- Max digging reach
- 5.755 mMaximum reach, standard stick
- Max digging reach, long stick
- 5.99 m
- Max digging height
- 5.215 m
- Max digging height, long stick
- 5.355 m
- Max dumping height
- 3.7 mMaximum dump clearance, standard stick
- Max dumping height, long stick
- 3.845 m
- Boom-in reach
- 2.57 mBoom in reach, standard stick
- Boom-in reach, long stick
- 2.58 m
- Boom swing offset, right
- 0.865 mBoom swing right (plan view)
- Boom swing offset, left
- 0.615 mBoom swing left (plan view)
- Boom swing, left
- 72°
- Boom swing, right
- 50°
- Bucket digging force
- 49 kN
- Arm digging force
- 28 kNStick digging force, standard stick
- Arm digging force, long stick
- 25 kNStick digging force, long stick
- Swing speed
- 9.0 rpmMachine swing speed
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
- 27.2 kW (36.5 hp)ISO 9249, 80/1269/EEC, at 2,400 rpm
- Gross power
- 29 kW (38.9 hp)SAE J1995:2014, at 2,400 rpm
- Bore
- 84 mm
- Stroke
- 100 mm
- Displacement
- 1.7 L
Hydraulics
- Pump flow
- 133 L/min
- Max pressure
- 265 barOperating pressure, equipment
- 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
- 1.98 mStraight blade
- Blade height
- 0.415 mStraight blade
- Blade width, angle blade
- 1.98 m
- Blade height, angle blade
- 0.4 m
- Blade angle, left / right
- 25°Angle blade, each side
Boom and stick
- Stick length
- 1.351 m
- Stick length, long stick
- 1.601 m
Source: Cat 305 CR Mini Excavator small Specalog AEHQ8406 (05-2022)
Cat 305 CR service
What each system holds and when Cat says to change it, with genuine filters and oils. The oil grade for your build is in its operator's manual.
Loading the 3D machine...
Drag to turn · scroll to zoom · built from the maker's drawing; markers show where each system is
- Engine oil
- 6 L
- Engine oil and filter, change every
- 500 hours
Fluid: Cat DEO-ULS 15W-40 for -10 to 50 °C (Cat DEO-ULS 10W-30 for -18 to 40 °C) (Cat fluid selector, 305 CR Tier 4 Final / Stage V (S/N 5G500001-Up))
A small engine working at high revs all day in the heat thins and dirties its oil quickly, so change it on the hour and check the dipstick daily.
Confirm fluid grades in your machine's operator's manual: they vary by build year and climate.
Service capacities
- Fuel tank
- 63 L17.0 gal
- Cooling system
- 11 L2.9 gal
- Engine oil
- 6 L1.6 gal
- Hydraulic tank
- 60 L16.0 gal
- Hydraulic system
- 75 L20.0 gal
- Final drive (each)
- 1 L0.3 US gal
Service intervals
- Engine oil and filter
- 500 hours
- Hydraulic oil
- 2,000 hours
- Final drive oil
- 2,000 hours
- Coolant
- 12,000 hours
Compare the Cat 305 CR
The machines nearest in size, each drawn beside this one at the same scale.
Moving a Cat 305 CR
A first look from the sheet. Your haulier or forwarder confirms the load.
- Length
- 5.31m
- Width
- 1.98m
- Height
- 2.55m
- Weight
- 5.7t
- RoadA beavertail or flatbed truck
- SeaA 20 ft flat rack, out of gauge (over-height): expect a surcharge
Cat 305 CR prices and listings in the UAE
Asking prices on EquipmentsFinder, in AED, refreshed daily.
Typical hire, per daymedian of 26
AED 1,200 /day
No priced Cat 305 CR for hire yet: this is all mini excavators
About the Cat 305 CR
The Cat 305 CR is a 5.7-tonne mini excavator with a Cat C1.7 Turbo engine rated at 27.2 kW (36.5 hp).
Its fuel tank holds 63 L.
A mini excavator: a compact tracked digger, light enough to trailer and narrow enough for gardens, basements and utility work between buildings.
Typical jobs: trenching for services, landscaping and garden work, footings and foundations, demolition in tight spaces.
Cat 305 CR questions
How much does a Cat 305 CR weigh?
5,695 kg (12,555 lb) in working order, with fuel, operator and standard attachment.
What engine and horsepower does the Cat 305 CR have?
A Cat C1.7 Turbo engine rated at 27.2 kW (36.5 hp) net.
How deep can a Cat 305 CR dig?
The Cat 305 CR digs to 3.42 m (134.6 in).
How wide is a Cat 305 CR?
1.98 m (78.0 in) wide, which decides the gates and paths it gets through.
What are the Cat 305 CR's dimensions?
5.30 m long, 1.98 m wide and 2.55 m high, from Cat's dimension drawing.
How do you transport a Cat 305 CR?
Road: a beavertail or flatbed truck. Sea: a 20 ft flat rack, out of gauge (over-height): expect a surcharge.
What is the Cat 305 CR's fuel tank capacity?
63 L (17.0 gal).
How much oil does a Cat 305 CR take?
Engine oil: 6 L (1.6 gal). Hydraulic oil: 75 L (20.0 gal).
How often does a Cat 305 CR need an oil change?
Cat sets the engine oil and filter at every 500 hours; in hot, dusty work, check the operator's manual for a shorter interval.
What are the Cat 305 CR's main competitors?
The machines nearest it in size are the Kubota KX057-4, the Bobcat E50, the XCMG XE45U Pro. Each has a side-by-side comparison on EquipmentsFinder.
Is the Cat 305 CR sold in the UAE?
Yes. The Cat 305 CR is sold in the UAE and the Gulf, the USA, other markets worldwide; builds can differ by market, so check emissions and options with the dealer.
What is a Cat 305 CR used for?
A mini excavator: a compact tracked digger, light enough to trailer and narrow enough for gardens, basements and utility work between buildings. Typical jobs: trenching for services, landscaping and garden work, footings and foundations, demolition in tight spaces.
Need a Cat 305 CR on site?
Post the job - where, when and for how long. Suppliers with a machine contact you directly. Free to post.

