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Cat 303.5 CR vs. Cat 303E Mini excavators Comparison

Compare available technical data for Excavators. Find the right details to make your decision easier.

Comparison

Highlight differences

303.5 CR

303.5 CR

303E

303E
General
Engine model Cat C1.1
Engine model C1.3-EF04
Operating weight 3,500 kg
Operating weight 3,310 kg
Max dump height 3.9 m
Max dump height 3.16 m
Boom length 3 m
Boom length 2.2 m
Bucket width 450 mm
Bucket width 610 mm
Bucket capacity 0.07 m3
Bucket capacity 0.13 m3
Max speed forward 4.8 kph
Max speed forward 4.83 kph
Max digging depth 3,050 mm
Max digging depth 3,010 mm
Max digging reach 5,180 mm
Max digging reach 5,270 mm
Years 2020-2025
Years 2020-2025
Market Average AED 129,000
Market Average AED 129,000
Price AED 105,000
Price AED 105,000
Engine
Displacement 1,100 cm3
Displacement 1,319 cm3
Gross power 18.49 kw
Gross power 17.6 kw
Bore -
Bore 7.87 cm
Stroke -
Stroke 9.4 cm
Operational specifications
Blade width 1 m
Blade width 1 m
Arm crowding force 19.6 kN
Arm crowding force 16.99 kN
Undercarriage
Drawbar Pull 28.4 kN
Drawbar Pull -
Track width 18 mm
Track width 300 mm
Track gauge -
Track gauge 1.25 m
Attachments
Bucket digging force 25.5 kN
Bucket digging force 26.67 kN
Hydraulic system
Pump flow cap 52 lpm
Pump flow cap 49.77 lpm
Relief valve pressure 250 bar
Relief valve pressure -
Service refill capacities
Fuel cap 48 liter
Fuel cap 45 liter
Hydraulic fluid cap 55 liter
Hydraulic fluid cap 68.89 liter
Cooling fluid cap -
Cooling fluid cap 3.79 liters
Refill capacities
Engine oil cap -
Engine oil cap 5.68 liter
Dimensions
Height - top of cab -
Height - top of cab 2.5 m
Blade height -
Blade height 40.64 cm
Ground clearance -
Ground clearance 0.33 m
Width over tracks -
Width over tracks 1.55 m
Turning radius -
Turning radius 0.91 m
Overall Length -
Overall Length 4.69 m

Performance

Looking at performance technical specs and key features the Cat 303.5 CR Mini excavators excels in terms of engine power at and operating weight compared to other models like the Cat 303E Mini excavators.

User rating

Owners operators and fleet managers recommend the Cat 303.5 CR Mini excavators for its high reliability and endurance in diverse applications. The same can be said about the Cat 303E Mini excavators.

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build datetime: 11/13/2025, 2:30:20 PM