Cat 303E vs. Komatsu PC78UU-6 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

Komatsu PC78 Mini excavators

General

Engine model

Engine model C1.3-EF04

Engine model S4D95LE-3

Operating weight

Operating weight 3,310 kg

Operating weight 7,700 kg

Max dump height

Max dump height 3.16 m

Max dump height 5,290 mm

Boom length

Boom length 2.2 m

Boom length 3.27 m

Bucket width

Bucket width 610 mm

Bucket width 630 mm

Bucket capacity

Bucket capacity 0.13 m3

Bucket capacity 0.28 cu m

Max speed forward

Max speed forward 4.83 kph

Max speed forward 4.5 kph

Max digging depth

Max digging depth 3,010 mm

Max digging depth -

Max digging reach

Max digging reach 5,270 mm

Max digging reach -

Displacement

Displacement 1,319 cm3

Displacement 3,261 cu cm

Blade width

Blade width 1.55 m

Blade width -

Bucket digging force

Bucket digging force 26.67 kN

Bucket digging force 61.3 kN

Gradeability

Gradeability -

Gradeability 35 º

Max digging depth

Max digging depth -

Max digging depth 4,230 mm

Max digging reach

Max digging reach -

Max digging reach 6,400 mm

Years

Years 2020-2025

Years 2000-2014

Market Average

Market Average AED 129,000

Market Average AED 100,000

Price

Price AED 105,000

Price AED 20,000

Engine

Gross power

Gross power 17.6 kw

Gross power -

Bore

Bore 7.87 cm

Bore -

Stroke

Stroke 9.4 cm

Stroke -

Net power

Net power -

Net power 40.2 kw

Operational specifications

Arm crowding force

Arm crowding force 16.99 kN

Arm crowding force 40.4 kN

Swing speed

Swing speed -

Swing speed 10 rpm

Refill capacities

Engine oil cap

Engine oil cap 5.68 liter

Engine oil cap -

Undercarriage

Track width

Track width 300 mm

Track width 45 cm

Track gauge

Track gauge 1.25 m

Track gauge -

Track length

Track length -

Track length 2.9 m

Drawbar Pull

Drawbar Pull -

Drawbar Pull 65.1 kN

Dimensions

Height - top of cab

Height - top of cab 2.5 m

Height - top of cab -

Blade height

Blade height 40.64 cm

Blade height -

Ground clearance

Ground clearance 0.33 m

Ground clearance -

Width over tracks

Width over tracks 1.55 m

Width over tracks -

Turning radius

Turning radius 0.91 m

Turning radius -

Overall Length

Overall Length 4.69 m

Overall Length -

Hydraulic system

Pump flow cap

Pump flow cap 49.77 lpm

Pump flow cap 160 lpm

Relief valve pressure

Relief valve pressure -

Relief valve pressure 270 bar

Service refill capacities

Cooling fluid cap

Cooling fluid cap 3.79 liters

Cooling fluid cap -

Fuel cap

Fuel cap 45 liter

Fuel cap 125 liter

Hydraulic fluid cap

Hydraulic fluid cap 68.89 liter

Hydraulic fluid cap 120 liter

Performance

Looking at performance technical specs and key features the Cat 303E Mini excavators excels in terms of engine power at and operating weight 3310 compared to other models like the Komatsu PC78UU-6 Mini excavators.

User rating

Owners operators and fleet managers recommend the Cat 303E Mini excavators for its high reliability and endurance in diverse applications. The same can be said about the Komatsu PC78UU-6 Mini excavators.