Compact excavator ZX135US-7B

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Overview
The ZX135US-7B is a medium short-tail crawler excavator updated with a Stage-V compliant ISUZU engine. It is designed for compact job sites where reduced tail swing and easy maintenance are priorities. The cab offers an enlarged interior and wider door opening for improved workspace.

Key Specifications (high level)

• Engine Rated Power (kW): 74 kW (ISO14396)
• Operating Weight: 14 300 - 16 600 kg
• Backhoe Bucket ISO Heaped: 0.19 - 0.66 m³
• Available in: Europe

Benefits

• Standardized engine supplier strategy simplifies engine handling and streamlines servicing.
• Higher engine output improves overall machine performance and productivity.
• Cab comfort optimized with integrated console and seat suspension, reduced noise and low vibration levels for operator endurance.

Attachments

• Hitachi-approved breakers: designed for straightforward maintenance and long service life.
• Hitachi ground engaging tools (GET): precise fit to attachments and quick, safe installation and replacement.

Technical specifications

• Engine model: ISUZU 4JJ1
• Engine type: 4-cycle water-cooled, common rail direct injection
• Aspiration: Variable geometry turbocharged, intercooled, cooled EGR
• Aftertreatment: DOC + CSF + SCR system
• No. of cylinders: 4
• Rated power (ISO 14396): 74.9 kW at 2 000 min-1
• Engine rated power (summary): 74 kW (ISO14396)
• Maximum torque: 375 Nm at 1 800 min-1
• Main pumps: 2 variable displacement axial piston pumps
• Maximum oil flow: 2 x 117 L/min
• Pilot pump: 1 gear pump
• Bucket digging force (ISO): 104 kN
• Arm crowd force (ISO): 61 / 69 / 77 kN (depending on arm)
• Shoe type: Triple grouser
• Shoe width: 500 / 600 / 700 mm
• Arm length options: 2.10 / 2.52 / 3.01 m
• Monoblock weight: 1 440 - 1 600 kg
• Monoblock pressure: 33 - 49 kPa
• 2-Piece weight: 14 900 – 16 600 kg
• 2-Piece pressure: 34 - 51 kPa
• Max. digging reach: 8 000 - 8 850 mm
• Max. digging depth: 4 840 - 5 980 mm
• Max. dumping height: 6 550 - 7 450 mm
• Undercarriage length: 3 580 mm
• Undercarriage width: 2 490 mm
• Overall width of upper structure: 2 480 mm
• Overall height of cab: 2 790 mm