Cat 307B vs. Cat 308E2 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

307B

Cat 308 Mini excavators

308E2 CR

General

Max digging depth

Max digging depth 4,114.8 mm

Max digging depth 4,190 mm

Max dump height

Max dump height 5,151.12 mm

Max dump height 5,380 mm

Max digging reach

Max digging reach 6,736.08 mm

Max digging reach 7,250 mm

Max speed forward

Max speed forward 5.15 kph

Max speed forward 5.63 kph

Operating weight

Operating weight 7,817 kg

Operating weight 8,400 kg

Bucket capacity

Bucket capacity -

Bucket capacity 0.84 cu m

Engine model

Engine model -

Engine model Cat C3.3B

Boom length

Boom length -

Boom length 4.4 m

Bucket width

Bucket width -

Bucket width 700 mm

Years

Years 2018-2021

Years 2017-2025

Market Average

Market Average AED 158,000

Market Average AED 346,000

Price

Price AED 128,000

Price AED 310,000

Dimensions

Ground clearance

Ground clearance 39.62 cm

Ground clearance -

Height - top of cab

Height - top of cab 2.65 m

Height - top of cab 2.68 m

Turning radius

Turning radius 1.77 m

Turning radius -

Width over tracks

Width over tracks 2.23 m

Width over tracks -

Engine

Bore

Bore 9.4 cm

Displacement

Displacement 2,834.97 cu cm

Displacement 3,329.86 cu cm

Gross power

Gross power 41.01 kw

Gross power 49.66 kw

Stroke

Stroke 10.16 cm

Stroke 11.94 cm

Hydraulic system

Pump flow cap

Pump flow cap 18.55 lpm

Pump flow cap 160 lpm

Relief valve pressure

Relief valve pressure -

Relief valve pressure 241.31 bar

Service refill capacities

Fuel cap

Fuel cap 135.12 liter

Fuel cap 140 liter

Cooling fluid cap

Cooling fluid cap 15.14 liter

Cooling fluid cap 14 liter

Hydraulic fluid cap

Hydraulic fluid cap 56.78 liter

Hydraulic fluid cap 82.13 liter

Refill capacities

Engine oil cap

Engine oil cap 7.19 liter

Engine oil cap 11.36 liter

Undercarriage

Drawbar Pull

Drawbar Pull 53.92 kN

Drawbar Pull 62 kN

Track width

Track width 45.21 cm

Track width 4.5 cm

Track gauge

Track gauge 1.77 m

Track gauge 2.01 m

Track length

Track length -

Track length 2.85 m

Operational specifications

Swing speed

Swing speed -

Swing speed 9.8 rpm

Arm crowding force

Arm crowding force -

Arm crowding force 38 kN

Attachments

Bucket digging force

Bucket digging force -

Bucket digging force 51 kN

Performance

Looking at performance technical specs and key features the Cat 307B Mini excavators excels in terms of engine power at and operating weight compared to other models like the Cat 308E2 CR Mini excavators.

User rating

Owners operators and fleet managers recommend the Cat 307B Mini excavators for its high reliability and endurance in diverse applications. The same can be said about the Cat 308E2 CR Mini excavators.