Komatsu PC78MR-6 Crawler Excavator Specs

The Komatsu PC78MR-6 crawler excavator produced in 2004-2006, is listed with an operating weight of 18,298 lb (8.3 t), engine power of 54 hp (40 kW), a bucket capacity of 0.37 yd³ (0.28 m³) and a maximum digging depth of 13.6 ft (4.16 m).

Komatsu Crawler Excavator Specifications

Crawler Excavator • 2004-2006 • S4D95LE3

Weight: 18,298 lb (8.3 t)Power: 54 hp (40 kW)Bucket: 0.37 yd³ (0.28 m³)Dig depth: 13.6 ft (4.16 m)

Key specifications

18,298 lb (8.3 t)Operating weight
54 hp (40 kW)Engine power
0.37 yd³ (0.28 m³)Bucket capacity
13.6 ft (4.16 m)Digging depth
22.1 ft (6.75 m)Horizontal reach
9,318 lbf (41 kN)Tear-out force
17.7 in (450 mm)Track width
2004-2006Years

Useful excavator charts

Charts appear only when enough usable specifications are available.

Digging geometry
Dig depth

13.6 ft

Reach

22.1 ft

Transport dimensions
Length

20.3 ft

Width

9.2 ft

Height

7.9 ft

Model spec snapshot
Main numeric specifications for this excavator.
18,298 lbWeight
54 hpPower
0.37 yd³Bucket
9,318 lbfTear-out

How the Komatsu PC78MR-6 compares

Comparison is against Komatsu crawler excavators in the same broad operating-weight class where enough comparable data exists.

Engine power
54 hp
10% below avg
39th percentile
Bucket capacity
0.37 yd³
8% below avg
41st percentile
Digging depth
13.6 ft
6% below avg
29th percentile
Horizontal reach
22.1 ft
In line with avg
50th percentile
Engine power54 hp
Low 47 hpAverage 61 hpHigh 78 hp

About 10% below the peer average.

Bucket capacity0.37 yd³
Low 0.14 yd³Average 0.4 yd³High 0.64 yd³

About 8% below the peer average.

Digging depth13.6 ft
Low 12.5 ftAverage 14.5 ftHigh 16.4 ft

About 6% below the peer average.

Horizontal reach22.1 ft
Low 19.7 ftAverage 22.3 ftHigh 24.6 ft

In line with the peer average.

Tear-out force9,318 lbf
Low 9,217 lbfAverage 11,314 lbfHigh 14,712 lbf

About 18% below the peer average.

This model Peer average

Crawler excavator information

Manufacturer Komatsu
Model PC78MR-6
Years of manufacture 2004-2006
Model series PC
Boom MB

Operating specifications

Operating weight 18,298 lb (8.3 t)
Bucket capacity 0.37 yd³ (0.28 m³)
Maximum digging depth 13.6 ft (4.16 m)
Maximum horizontal reach 22.1 ft (6.75 m)
Tear-out force 9,318 lbf (41 kN)

Engine and emissions

Engine manufacturer Komatsu
Engine model S4D95LE3
Engine power 54 hp (40 kW)
Diesel particulate filter No

Dimensions and transport

Transport length 20.3 ft (6.2 m)
Transport width 9.2 ft (2.8 m)
Transport height 7.9 ft (2.4 m)
Track width 17.7 in (450 mm)

Equipment and features

Air conditioning No
Blade No
Cabin adjustment No
Material handling excavator No
Overload alert Yes
Hydraulic quick hitch No
Mechanical quick hitch No
Track adjustment No

Disclaimer: Specifications should be verified against the official machine documentation and confirmed on the Komatsu USA website.