Cat 303.5 CR vs. Cat 307B 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

303.5 CR

Cat 307 Mini excavators

307B

General

Engine model

Engine model Cat C1.1

Engine model -

Operating weight

Operating weight 3,500 kg

Operating weight 7,817 kg

Max digging depth

Max digging depth 3,050 mm

Max digging depth 4,114.8 mm

Max dump height

Max dump height 3,950 mm

Max dump height 5,151.12 mm

Max digging reach

Max digging reach 5,180 mm

Max digging reach 6,736.08 mm

Boom length

Boom length 3 m

Boom length -

Bucket width

Bucket width 450 mm

Bucket width -

Bucket capacity

Bucket capacity 0.07 cu m

Bucket capacity -

Max speed forward

Max speed forward 4.8 kph

Max speed forward 5.15 kph

Years

Years 2020-2025

Years 2018-2021

Market Average

Market Average AED 129,000

Market Average AED 158,000

Price

Price AED 105,000

Price AED 128,000

Engine

Gross power

Gross power 18.49 kw

Gross power 41.01 kw

Displacement

Displacement 1,100 cu cm

Displacement 2,834.97 cu cm

Bore

Bore -

Bore 9.4 cm

Stroke

Stroke -

Stroke 10.16 cm

Service refill capacities

Fuel cap

Fuel cap 48 liter

Fuel cap 135.12 liter

Hydraulic fluid cap

Hydraulic fluid cap 55 liter

Hydraulic fluid cap 56.78 liter

Cooling fluid cap

Cooling fluid cap -

Cooling fluid cap 15.14 liter

Operational specifications

Arm crowding force

Arm crowding force 19.6 kN

Arm crowding force -

Attachments

Bucket digging force

Bucket digging force 25.5 kN

Bucket digging force -

Undercarriage

Drawbar Pull

Drawbar Pull 28.4 kN

Drawbar Pull 53.92 kN

Track width

Track width 18 cm

Track width 45.21 cm

Track length

Track length 2.2 m

Track length -

Track gauge

Track gauge -

Track gauge 1.77 m

Hydraulic system

Pump flow cap

Pump flow cap 52 lpm

Pump flow cap 18.55 lpm

Relief valve pressure

Relief valve pressure 250 bar

Relief valve pressure -

Dimensions

Ground clearance

Ground clearance -

Ground clearance 39.62 cm

Height - top of cab

Height - top of cab -

Height - top of cab 2.65 m

Turning radius

Turning radius -

Turning radius 1.77 m

Width over tracks

Width over tracks -

Width over tracks 2.23 m

Refill capacities

Engine oil cap

Engine oil cap -

Engine oil cap 7.19 liter

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 307B 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 307B Mini excavators.