Sumitomo Excavator SH700LHD-5B | 70 ton

Description

Sumitomo Excavator SH700LHD-5B | 70 ton

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The Sumitomo SH700LHD-5B (and its specialized configuration, the SH700LHD-5B MASS) is a heavy-duty, 70-ton class crawler hydraulic excavator designed primarily for high-capacity applications such as large-scale mining, quarrying, and major infrastructure construction.

The complete specifications for both the Standard and MASS (heavy excavation/high-capacity) versions of this machine are detailed below:

1. Engine Specifications

The SH700LHD-5B is powered by a high-output, fuel-efficient Isuzu engine equipped with Sumitomo’s “SPACE 5+” engine system, featuring a common rail fuel injection system and cooled Exhaust Gas Recirculation (EGR) to minimize environmental impact.

• Make & Model: ISUZU GH-6WG1X (Tier III / Stage IIIA compliant)

• Type: Water-cooled, 4-cycle, 6-cylinder in-line, 24-valve OHC, direct injection with turbocharger and intercooler

• Rated Engine Output: 345 kW (469 PS) @ 1,800 rpm (min⁻¹)

• Engine Displacement: 15,700 cc (15.7 L)

• Maximum Torque: 1,980 N·m @ 1,500 rpm

2. Operational Weights & Bucket Capacities

• Operating Weight:

  • SH700LHD-5B (Standard): 68,100 kg (approx. 68.1 tons)

  • SH700LHD-5B MASS: 70,500 kg (approx. 70.5 tons)

• Bucket Capacity (ISO Heaped):

  • Standard: 2.9 m³

  • MASS Version: 4.2 m³

• Boom & Arm Lengths:

  • Standard Boom / Arm: 7.70 m Boom / 3.55 m Arm

  • MASS Boom / Arm: 6.58 m Boom / 3.00 m Arm

3. Hydraulic System

Featuring the SIH:S+ (Sumitomo Intelligent Hydraulic System) with optimized control valves, pump transition control, and automatic power boost.

• Main Pumps: 2 variable displacement axial piston pumps with regulating system

• Maximum System Pressure:

  • Normal: 31.4 MPa

  • With Auto Power Boost: 34.3 MPa (provides an extra burst of digging power for 8 seconds)

• Travel Motor: Variable displacement axial piston motor

• Swing Motor: Fixed displacement axial piston motor

4. Working Ranges & Performance

These metrics highlight the digging capabilities of the two variations:

5. Fluid Capacities

Designed for extended working shifts in remote areas (such as mines) to reduce downtime.

• Fuel Tank Capacity: 900 Liters

• Hydraulic Fluid Tank: 310 Liters (System capacity: 720 Liters)

• Engine Oil Pan: 53 Liters

• Cooling System: 76 Liters

6. Undercarriage & Structural Features

• Chassis: Retractable/collapsible crawler frame (easier for narrow transport, widens on-site for optimal stability).

• Shoes: Reinforced double grouser shoes.

• Track Guards: Full track guards (optional but highly recommended to prevent link derailment on rocky terrain).

• Lubrication: EMS (Easy Maintenance System) utilizes highly durable bushes embedded with solid lubricant, extending greasing intervals on the bucket pins to up to 1,000 hours.

7. Cab and Comfort Features

• Sealed/Pressurized Cabin: Prevents external dust entry in extreme construction/mining settings.

• Operator Interface: Features a high-definition LCD monitor with clear daytime/nighttime readability and integrated maintenance diagnostic messaging.

• Work Modes: Three adjustable modes managed through a throttle dial:

  • SP (Super Power): Maximum productivity for heavy applications.

  • H (Heavy): Standard setting for regular excavation.

  • A (Auto): Balanced setting adjusting for optimal fuel economy and precision.

• Maintenance Improvements: Features standard dual catwalks on both sides of the house for safer engine bay access, a reversible cooling fan to quickly clear radiator dust, and an eco-friendly engine oil drain coupler.

Engine

Model : ISUZU GH-4HK1X
Type : Water-cooled, 4-cycle diesel, 4-cylinder in line, high
pressure common rail system (electric control),
Turbocharger with air-cooled intercooler.
Rated output : 132.1 kW (179.6 PS) at 2,000 min-1(rpm)
Maximum torque : 622 N-m at 1,800 min-1(rpm
Piston displacement : 5.193 ltr
Bore and stroke : 115 mm x 125 mm
Starting system : 24 V electric motor starting
Alternator : 24 V, 50 A
Fuel tank : 410 ltr
Air filter : Double element

Hydraulic Pumps

Two variable displacement axial piston pumps provide power for
boom/arm/bucket, swing, and travel. One gear pump for pilot controls.
Maximum oil flow : 2 x 234 ltr/min
Pilot pump max. oil flow : 20 ltr/min

Hydraulic Motor

For travel: Two variable displacement axial piston motors
For swing: One fixed displacement axial piston motor

Working circuit pressure

Boom/arm/bucket : 34.3 MPa (350 kgf/cm2 )
Boom/arm/bucket : 36.8 MPa (375 kgf/cm2 ) with auto power-up
Swing circuit ” 28.9 MPa (295 kgf/cm2 )
Travel circuit : 34.3 MPa (350 kgf/cm2

Control valve

With boom/arm holding valve
One 4-spool valve for right track travel, bucket, boom and arm acceleration
One 5-spool valve for left track travel, auxiliary, swing, boom acceleration and arm

Oil filtration

Return filter : 6 microns
Pilot filter : 8 microns
Suction filter : 105 microns