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Cat 303.5C CR vs. Cat 307.5 Mini excavators Comparison

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

Comparison

Highlight differences

Cat 303 Mini excavators

303.5C CR

Cat 307 Mini excavators

307.5
General
Engine model C1.3-EF04
Engine model -
Operating weight 3,719 kg
Operating weight 8,233 kg
Max dump height 3.59 m
Max dump height 7,757.16 mm
Boom length 3 m
Boom length 1.68 m
Bucket width 610 mm
Bucket width -
Bucket capacity 0.13 m3
Bucket capacity -
Max speed forward 4.51 kph
Max speed forward 4.99 kph
Max digging depth 3,169.92 mm
Max digging depth 4,107.18 mm
Max digging reach 5,242.56 mm
Max digging reach 6,804.66 mm
Years 2020-2025
Years 2018-2021
Market Average AED 129,000
Market Average AED 158,000
Price AED 105,000
Price AED 128,000
Engine
Displacement 1,877 cm3
Displacement 2,425.29 cu cm
Gross power 22.4 kw
Gross power 41.69 kw
Bore -
Bore 8.64 cm
Stroke -
Stroke 10.16 cm
Operational specifications
Blade width 1 m
Blade width 228 cm
Arm crowding force 17.2 kN
Arm crowding force 37.8 kN
Refill capacities
Engine oil cap 6.06 liter
Engine oil cap 9.46 liter
Undercarriage
Track width 30.48 mm
Track width 22 cm
Track gauge 1.49 m
Track gauge -
Track length -
Track length 2.88 m
Drawbar Pull -
Drawbar Pull 26.03 kN
Dimensions
Height - top of cab 2.5 m
Height - top of cab 2.5 m
Ground clearance 36.58 m
Ground clearance -
Width over tracks 1.8 m
Width over tracks -
Turning radius 0.98 m
Turning radius -
Overall Length 4.94 m
Overall Length 6.26 m
Blade height -
Blade height 43.18 cm
Hydraulic system
Pump flow cap 87.81 lpm
Pump flow cap 166.54 lpm
Service refill capacities
Cooling fluid cap 6.06 liters
Cooling fluid cap 9.84 liter
Fuel cap 51.1 liter
Fuel cap 143.83 liter
Hydraulic fluid cap 65.1 liter
Hydraulic fluid cap 102.2 liter
Attachments
Bucket digging force -
Bucket digging force 54.55 kN

Performance

Looking at performance technical specs and key features the Cat 303.5C CR Mini excavators excels in terms of engine power at and operating weight compared to other models like the Cat 307.5 Mini excavators.

User rating

Owners operators and fleet managers recommend the Cat 303.5C CR Mini excavators for its high reliability and endurance in diverse applications. The same can be said about the Cat 307.5 Mini excavators.

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