Komatsu PC78US-10 Crawler Excavator Specs

The Komatsu PC78US-10 crawler excavator produced in 2017-2026, is listed with an operating weight of 17,747 lb (8.1 t), engine power of 68 hp (51 kW), a bucket capacity of 0.26 yd³ (0.2 m³) and a maximum digging depth of 15.3 ft (4.66 m).

Komatsu Crawler Excavator Specifications

Crawler Excavator • 2017-2026 • SAA4D95LE-6

Weight: 17,747 lb (8.1 t)Power: 68 hp (51 kW)Bucket: 0.26 yd³ (0.2 m³)Dig depth: 15.3 ft (4.66 m)

Key specifications

17,747 lb (8.1 t)Operating weight
68 hp (51 kW)Engine power
0.26 yd³ (0.2 m³)Bucket capacity
15.3 ft (4.66 m)Digging depth
22.7 ft (6.92 m)Horizontal reach
11,982 lbf (53 kN)Tear-out force
17.7 in (450 mm)Track width
2017-2026Years

Useful excavator charts

Charts appear only when enough usable specifications are available.

Digging geometry
Dig depth

15.3 ft

Reach

22.7 ft

Transport dimensions
Length

20.6 ft

Width

7.6 ft

Height

9.7 ft

Model spec snapshot
Main numeric specifications for this excavator.
17,747 lbWeight
68 hpPower
0.26 yd³Bucket
11,982 lbfTear-out

How the Komatsu PC78US-10 compares

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

Engine power
68 hp
12% above avg
75th percentile
Bucket capacity
0.26 yd³
34% below avg
9th percentile
Digging depth
15.3 ft
5% above avg
76th percentile
Horizontal reach
22.7 ft
In line with avg
67th percentile
Engine power68 hp
Low 47 hpAverage 61 hpHigh 78 hp

About 12% above the peer average.

Bucket capacity0.26 yd³
Low 0.14 yd³Average 0.4 yd³High 0.64 yd³

About 34% below the peer average.

Digging depth15.3 ft
Low 12.5 ftAverage 14.5 ftHigh 16.4 ft

About 5% above the peer average.

Horizontal reach22.7 ft
Low 19.7 ftAverage 22.3 ftHigh 24.6 ft

In line with the peer average.

Tear-out force11,982 lbf
Low 9,217 lbfAverage 11,314 lbfHigh 14,712 lbf

About 6% above the peer average.

This model Peer average

Crawler excavator information

Manufacturer Komatsu
Model PC78US-10
Years of manufacture 2017-2026
Model series PC
Boom MB

Operating specifications

Operating weight 17,747 lb (8.1 t)
Bucket capacity 0.26 yd³ (0.2 m³)
Bucket width 2.1 ft (0.65 m)
Maximum digging depth 15.3 ft (4.66 m)
Maximum horizontal reach 22.7 ft (6.92 m)
Tear-out force 11,982 lbf (53 kN)

Engine and emissions

Engine manufacturer Komatsu
Engine model SAA4D95LE-6
Engine power 68 hp (51 kW)
Displacement 199 cu in (3.3 L)
Cylinders 4
Cylinder bore × stroke 3.74 × 4.53 in (95 × 115 mm)
RPM at maximum torque 1950 rpm
Emission level Tier 4f
Diesel particulate filter Yes

Dimensions and transport

Transport length 20.6 ft (6.27 m)
Transport width 7.6 ft (2.33 m)
Transport height 9.7 ft (2.94 m)
Track width 17.7 in (450 mm)

Equipment and features

Air conditioning No
Blade Yes
Cabin adjustment No
Material handling excavator No
Overload alert No
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.