Cat 303.5E2 CR vs. Cat 306 CR 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

303.5E2 CR

Cat 306 Mini excavators

306 CR

Dimensions

Blade height

Blade height 33.02 cm

Blade height -

Years

Years 2020-2025

Market Average

Market Average AED 129,000

Market Average AED 450,000

Price

Price AED 105,000

Price AED 280,000

Operational specifications

Blade width

Blade width 179 cm

Blade width -

Arm crowding force

Arm crowding force 18.89 kN

Arm crowding force 9.8 kN

General

Max digging depth

Max digging depth 4,826 mm

Max digging depth 2,300 mm

Max speed forward

Max speed forward 4.67 kph

Max speed forward 3.2 kph

Operating weight

Operating weight 3,723 kg

Operating weight 1,790 kg

Engine model

Engine model -

Engine model Cat C1.8

Max dump height

Max dump height -

Max dump height 2,880 mm

Max digging reach

Max digging reach -

Max digging reach 3,620 mm

Boom length

Boom length -

Boom length 2.3 m

Bucket width

Bucket width -

Bucket width 400 mm

Bucket capacity

Bucket capacity -

Bucket capacity 0.04 cu m

Engine

Bore

Bore 8.64 cm

Bore -

Displacement

Displacement 1,704.26 cu cm

Displacement 1,800 cu cm

Gross power

Gross power 18.49 kw

Gross power 18.12 kw

Stroke

Stroke 9.14 cm

Stroke -

Hydraulic system

Pump flow cap

Pump flow cap 70.02 lpm

Pump flow cap 31.5 lpm

Relief valve pressure

Relief valve pressure -

Relief valve pressure 219.94 bar

Attachments

Bucket digging force

Bucket digging force 32.98 kN

Bucket digging force 12.7 kN

Service refill capacities

Cooling fluid cap

Cooling fluid cap 5.68 liter

Cooling fluid cap -

Fuel cap

Fuel cap 46.18 liter

Fuel cap 28 liter

Hydraulic fluid cap

Hydraulic fluid cap 65.1 liter

Hydraulic fluid cap 36 liter

Refill capacities

Engine oil cap

Engine oil cap 6.81 liter

Engine oil cap -

Undercarriage

Drawbar Pull

Drawbar Pull 16.99 kN

Drawbar Pull 14.2 kN

Track width

Track width -

Track width 10 cm

Track length

Track length -

Track length 1.4 m

Performance

Looking at performance technical specs and key features the Cat 303.5E2 CR Mini excavators excels in terms of engine power at and operating weight compared to other models like the Cat 306 CR Mini excavators.

User rating

Owners operators and fleet managers recommend the Cat 303.5E2 CR Mini excavators for its high reliability and endurance in diverse applications. The same can be said about the Cat 306 CR Mini excavators.