Komatsu PC78US-11 Crawler Excavator Specs

The Komatsu PC78US-11 crawler excavator produced in 2022-2026, is listed with an operating weight of 18,188 lb (8.2 t), engine power of 68 hp (51 kW) and a maximum digging depth of 15.3 ft (4.66 m).

Komatsu Crawler Excavator Specifications

Crawler Excavator • 2022-2026 • SAA3D95E-1

Weight: 18,188 lb (8.2 t)Power: 68 hp (51 kW)Dig depth: 15.3 ft (4.66 m)

Key specifications

18,188 lb (8.2 t)Operating weight
68 hp (51 kW)Engine power
15.3 ft (4.66 m)Digging depth
22.7 ft (6.92 m)Horizontal reach
13,781 lbf (61 kN)Tear-out force
17.7 in (450 mm)Track width
2022-2026Years

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

20.7 ft

Width

7.6 ft

Height

9.6 ft

Bucket capacity range
Minimum

0.1 yd³

Maximum

0.3 yd³

Model spec snapshot
Main numeric specifications for this excavator.
18,188 lbWeight
68 hpPower
13,781 lbfTear-out

How the Komatsu PC78US-11 compares

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

Engine power
68 hp
13% above avg
88th percentile
Digging depth
15.3 ft
5% above avg
76th percentile
Horizontal reach
22.7 ft
In line with avg
67th percentile
Tear-out force
13,781 lbf
22% above avg
86th percentile
Engine power68 hp
Low 47 hpAverage 61 hpHigh 78 hp

About 13% above 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 force13,781 lbf
Low 9,217 lbfAverage 11,314 lbfHigh 14,712 lbf

About 22% above the peer average.

This model Peer average

Crawler excavator information

Manufacturer Komatsu
Model PC78US-11
Years of manufacture 2022-2026
Model series PC

Operating specifications

Operating weight 18,188 lb (8.2 t)
Minimum bucket capacity 0.12 yd³ (0.09 m³)
Maximum 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 13,781 lbf (61 kN)

Engine and emissions

Engine manufacturer Komatsu
Engine model SAA3D95E-1
Engine power 68 hp (51 kW)
Displacement 150 cu in (2.5 L)
Cylinders 3
Cylinder bore × stroke 3.74 × 4.53 in (95 × 115 mm)
RPM at maximum torque 1850 rpm
Emission level Tier 4 Final
Diesel particulate filter Yes

Dimensions and transport

Transport length 20.7 ft (6.29 m)
Transport width 7.6 ft (2.32 m)
Transport height 9.6 ft (2.94 m)
Track width 17.7 in (450 mm)

Equipment and features

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

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