Cat 307.5 vs. Cat 303.5 CR Mini excavators Comparison

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

Comparison

Highlight differences

Cat 307 Mini excavators

307.5

Cat 303 Mini excavators

303.5 CR

Dimensions

Blade height

Blade height 43.18 cm

Blade height -

Overall Length

Overall Length 6.26 m

Overall Length -

Height - top of cab

Height - top of cab 2.5 m

Height - top of cab -

Years

Years 2018-2021

Years 2020-2025

Market Average

Market Average AED 158,000

Market Average AED 129,000

Price

Price AED 128,000

Price AED 105,000

Operational specifications

Blade width

Blade width 228 cm

Blade width -

Arm crowding force

Arm crowding force 37.8 kN

Arm crowding force 19.6 kN

General

Max dump height

Max dump height 7,757.16 mm

Max dump height 3,950 mm

Max digging reach

Max digging reach 6,804.66 mm

Max digging reach 5,180 mm

Boom length

Boom length 1.68 m

Boom length 3 m

Max digging depth

Max digging depth 4,107.18 mm

Max digging depth 3,050 mm

Max speed forward

Max speed forward 4.99 kph

Max speed forward 4.8 kph

Operating weight

Operating weight 8,233 kg

Operating weight 3,500 kg

Engine model

Engine model -

Engine model Cat C1.1

Bucket width

Bucket width -

Bucket width 450 mm

Bucket capacity

Bucket capacity -

Bucket capacity 0.07 cu m

Undercarriage

Track width

Track width 22 cm

Track width 18 cm

Track length

Track length 2.88 m

Track length 2.2 m

Drawbar Pull

Drawbar Pull 26.03 kN

Drawbar Pull 28.4 kN

Engine

Bore

Bore 8.64 cm

Bore -

Displacement

Displacement 2,425.29 cu cm

Displacement 1,100 cu cm

Gross power

Gross power 41.69 kw

Gross power 18.49 kw

Stroke

Stroke 10.16 cm

Stroke -

Attachments

Bucket digging force

Bucket digging force 54.55 kN

Bucket digging force 25.5 kN

Hydraulic system

Pump flow cap

Pump flow cap 166.54 lpm

Pump flow cap 52 lpm

Relief valve pressure

Relief valve pressure -

Relief valve pressure 250 bar

Service refill capacities

Cooling fluid cap

Cooling fluid cap 9.84 liter

Cooling fluid cap -

Fuel cap

Fuel cap 143.83 liter

Fuel cap 48 liter

Hydraulic fluid cap

Hydraulic fluid cap 102.2 liter

Hydraulic fluid cap 55 liter

Refill capacities

Engine oil cap

Engine oil cap 9.46 liter

Engine oil cap -

Performance

Looking at performance technical specs and key features the Cat 307.5 Mini excavators excels in terms of engine power at and operating weight 8233 compared to other models like the Cat 303.5 CR Mini excavators.

User rating

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