Cat 303 CR specs
- digging depth
- 2.65 m
- net power
- 17.6 kW (23.6 hp)
- operating weight
- 3,545 kg
Cat 303 CR dimensions
| Letter | Dimension | Metric and imperial |
|---|---|---|
| 8 | Tail swing radius | 0.775 m30.5 in |
| 9 | Max blade height | 0.385 m15.2 in |
| 10 | Max blade depth | 0.535 m21.1 in |
| 11 | Overall height (to top of boom) | 1.6 m63.0 in |
| 12 | Overall height (to top of cab) | 2.48 m97.6 in |
| 13 | Swing bearing height | 0.57 m22.4 in |
| 14 | Track length | 2.07 m81.5 in |
| 15 | Overall length | 4.51 m177.6 in |
| 18 | Shoe width | 0.3 m11.8 in |
| 19 | Width of crawler | 1.55 m61.0 in |
| 20 | Ground clearance (minimum) | 0.31 m12.2 in |
Cat 303 CR specifications
Cat 303 CR mini excavator, current build 07A (Cat C1.1 Turbo, U.S. EPA Tier 4 Final / EU Stage V), from Cat's Specalog AEHQ8350-04 (09-2025) for Global excluding China and Japan; Al-Bahar (UAE) does not list the 303 CR, so there is no Gulf sheet and this is the global sheet linked by US Cat dealers; dimensions are for the standard 1260 mm stick unless a row says long stick.
62 figures in 8 groups
Dimensions
- Tail swing radius, light counterweight
- 0.845 m
- Tail swing radius, extra counterweight
- 0.89 m
- Overall height (to top of boom), long stick
- 1.92 m
- Overall length, long stick
- 4.56 m
Performance
- Max digging depth
- 2.65 m
- Max digging depth, long stick
- 2.95 m
- Max vertical wall digging depth
- 1.82 mVertical wall, standard stick
- Max vertical wall digging depth, long stick
- 2.07 m
- Max reach at ground level
- 4.83 m
- Max reach at ground level, long stick
- 5.11 m
- Max digging reach
- 4.98 mMaximum reach, standard stick
- Max digging reach, long stick
- 5.24 m
- Max digging height
- 4.51 m
- Max digging height, long stick
- 4.65 m
- Max dumping height
- 3.17 mMaximum dump clearance, standard stick
- Max dumping height, long stick
- 3.31 m
- Boom-in reach
- 1.75 mBoom in reach, standard stick
- Boom-in reach, long stick
- 1.91 m
- Boom swing offset, right
- 0.87 mBoom swing right (plan view)
- Boom swing offset, left
- 0.64 mBoom swing left (plan view)
- Boom swing, right
- 50°
- Boom swing, left
- 75°
- Bucket digging force
- 28 kN
- Arm digging force
- 17 kNStick digging force, standard stick
- Arm digging force, long stick
- 15 kNStick digging force, long stick
- Swing speed
- 9.0 rpmMachine swing speed
Weight
- Operating weight
- 3,545 kg
- Operating weight, cab (minimum)
- 3,140 kg
- Operating weight, canopy (minimum)
- 3,025 kg
- Operating weight, canopy (maximum)
- 3,425 kg
- EU CE plate weight, canopy
- 3,080 kg
- EU CE plate weight, cab
- 3,180 kg
- Weight increase, cab
- 115 kg
- Weight increase, counterweight (light)
- 100 kg
- Weight increase, counterweight (extra)
- 250 kg
- Weight increase, long stick
- 25 kg
- Weight increase, steel tracks
- 125 kg
Engine
- Engine model
- Cat C1.1 Turbo
- Emissions
- U.S. EPA Tier 4 Final / EU Stage V
- Net power
- 17.6 kW (23.6 hp)ISO 9249, 80/1269/EEC, at 2,400 rpm
- Gross power
- 18.4 kW (24.7 hp)Engine power, ISO 14396
- Bore
- 77 mm
- Stroke
- 81 mm
- Displacement
- 1.1 L
Hydraulics
- Pump flow
- 100 L/min
- Max pressure
- 245 barOperating pressure, equipment
- Operating pressure, travel
- 245 bar
- Operating pressure, swing
- 176 bar
- Auxiliary circuit flow, primary
- 65 L/min
- Auxiliary circuit flow, secondary
- 25 L/min
Travel
- Travel speed (high)
- 4.5 km/h
- Travel speed (low)
- 2.6 km/h
- Max traction force, high speed
- 15 kN
- Max traction force, low speed
- 31 kN
- Ground pressure, minimum weight
- 27.6 kPa
- Ground pressure, maximum weight
- 32.3 kPa
- Gradeability (maximum)
- 30°
Blade
- Blade width
- 1.55 m
- Blade height
- 0.35 m
Boom and stick
- Boom length
- 2.2 mOne-piece boom
- Stick length
- 1.26 m
- Stick length, long stick
- 1.56 m
Source: Cat 303 CR (07A) Mini Excavator Specalog AEHQ8350-04 (09-2025, Global excluding China and Japan)
Cat 303 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
- 4 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, 303 CR Tier 4 Final / Stage V (S/N NXY00001-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
- 45 L11.9 gal
- Cooling system
- 4 L1.1 gal
- Engine oil
- 4 L1.1 gal
- Hydraulic tank
- 18 L4.8 gal
- Hydraulic system
- 35 L9.2 gal
- Final drive (each)
- 0.6 L0.2 US gal
Service intervals
- Engine oil and filter
- 500 hours
- Hydraulic oil
- 3,000 hours
- Final drive oil
- 1,000 hours
- Coolant
- 12,000 hours
Compare the Cat 303 CR
The machines nearest in size, each drawn beside this one at the same scale.
Moving a Cat 303 CR
A first look from the sheet. Your haulier or forwarder confirms the load.
- Length
- 4.51m
- Width
- 1.55m
- Height
- 2.48m
- Weight
- 3.5t
- RoadA beavertail or flatbed truck
- SeaA 20 ft flat rack, out of gauge (over-height): expect a surcharge
Cat 303 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 303 CR for hire yet: this is all mini excavators
No Cat 303 CR for rent listed right now.
Request a Cat 303 CRAbout the Cat 303 CR
The Cat 303 CR is a 3.55-tonne mini excavator with a Cat C1.1 Turbo engine rated at 17.6 kW (23.6 hp).
Its fuel tank holds 45 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 303 CR questions
How much does a Cat 303 CR weigh?
3,545 kg (7,817 lb) in working order, with fuel, operator and standard attachment.
What engine and horsepower does the Cat 303 CR have?
A Cat C1.1 Turbo engine rated at 17.6 kW (23.6 hp) net.
How deep can a Cat 303 CR dig?
The Cat 303 CR digs to 2.65 m (104.3 in).
How wide is a Cat 303 CR?
1.55 m (61.0 in) wide, which decides the gates and paths it gets through.
What are the Cat 303 CR's dimensions?
4.51 m long, 1.55 m wide and 2.48 m high, from Cat's dimension drawing.
How do you transport a Cat 303 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 303 CR's fuel tank capacity?
45 L (11.9 gal).
How much oil does a Cat 303 CR take?
Engine oil: 4 L (1.1 gal). Hydraulic oil: 35 L (9.2 gal).
How often does a Cat 303 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 303 CR's main competitors?
The machines nearest it in size are the John Deere 35 P-Tier, the Bobcat E35, the Kubota U35-4. Each has a side-by-side comparison on EquipmentsFinder.
Is the Cat 303 CR sold in the UAE?
Not new through a Gulf dealer: it is sold in the USA and other markets worldwide. Used and imported machines do come up on EquipmentsFinder.
What is a Cat 303 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 303 CR on site?
Post the job - where, when and for how long. Suppliers with a machine contact you directly. Free to post.
