Technical Specifications — Sumitomo Excavator Performance Data - Precision-Engineered Excavators Trusted by Leading Contractors

Excavator Specifications

Crawler Excavator Range — Key Parameters

Specifications shown are for standard configuration. Optional attachments and regional variants may differ.

Parameter	SH80 (8t Class)	SH120 (12t Class)	SH210 (21t Class)	SH350 (35t Class)	SH500 (50t Class)
Operating Weight	8,200 kg	12,400 kg	21,500 kg	35,800 kg	51,200 kg
Engine Power (kW)	43 kW	73 kW	122 kW	200 kW	270 kW
Max Digging Depth (mm)	4,200	5,400	6,500	7,200	7,800
Bucket Capacity (m³)	0.28	0.45	0.90	1.60	2.60
Breakout Force (kN)	58	82	135	198	262
Hydraulic Pressure (bar)	280	310	320	320	350
Ground Pressure (kPa)	32	38	46	52	61
Slewing Speed (rpm)	10.5	11.2	10.8	9.6	8.4
Emission Standard	EPA Tier 4 Final / EU Stage V (Tier 3 available on request)

Core Technology

LEGEST Hydraulic Control System

The LEGEST system is a closed-center, load-sensing hydraulic architecture that continuously adjusts pump displacement and flow distribution to match actual demand. Key advantages include:

Proportional flow sharing across boom, arm, and bucket circuits
Negative-flow control for smooth multi-function operation
Variable-displacement piston pumps with electronic governor
Integrated pressure and temperature monitoring with auto-shutdown protection

Selection Guide

Which Excavator Size Fits Your Application?

Urban Utility

SH80 (8t) — compact dimensions for confined urban sites, utility trenching, and landscaping. Track gauge adjustable for narrow access.

General Construction

SH120 – SH210 (12–21t) — versatile mid-range machines for foundation work, road building, and material handling.

Heavy Earthmoving

SH350 (35t) — high breakout force for hard rock, mass excavation, and quarry face loading.

Mining Operations

SH500 (50t) — ultra-class machine for open-pit mining, large dam projects, and port dredging.

Sumitomo Excavator Technical Data — Performance Parameters & Selection Guide