ZX135US-7H
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Hitachi Excavator ZX135US-7H
The Hitachi Excavator ZX135US-7H combines high-production capability with a reduced tail swing design built for confined and congested job sites. As part of the advanced ZAXIS-7 series, this machine delivers strong digging force, smooth hydraulic response, and improved fuel efficiency in a maneuverable platform.
Its compact rear swing profile allows operators to work confidently near structures, roadways, and utilities while maintaining the power and stability expected from a mid-size excavator. Designed for utility installation, site development, and urban construction, the ZX135US-7H provides precision control and dependable performance in demanding environments.
Built with the durability and engineering standards of Hitachi Construction Equipment, the ZX135US-7H is engineered for productivity, reliability, and long-term value.
Product Highlights
Reduced Trail Swing Design
Compact rear profile allows safe operation in tight and restricted job sites without sacrificing digging capability.
ZAXIS-7 NEXT GEN TECHNOLOGY
Advanced system management enhances fuel efficiency, machine control, and uptime.
Refined Hydraulic Performance
Smooth multi-function operation delivers strong breakout force and precise attachment control.
Fuel-Efficient Engine System
Optimized engine management balances power and operating cost for long workdays.
Enhanced Operator Environment
Modern cab layout with improved visibility and intuitive controls supports productivity and comfort.
Simplified Service Access
Grouped maintenance points and durable components help reduce downtime and streamline routine inspections.
ZX17U-5n Specifications
| Specifications | |
|---|---|
| Net Rated Power | 100 HP (74.9 kW) |
| Operating Weight | 31,967 – 35,053 lb (14,500 – 15,900 kg) |
| Max. Digging Reach at Ground Level | 28 ft 7 in (8.72 m) |
| Max. Digging Depth | 19 ft 7 in (5.98 m) |
| Working Ranges | |
|---|---|
| Arm Length | 9′ 11″ (3.01) |
Engine
| Model | Isuzu AR-4JJ1X |
| Type | 4-cycle water-cooled, common rail direct injection |
| Aspiration | Variable geometry turbocharged, intercooled, cooled EGR |
| Aftertreatment | DOC + SCR system |
| No. of cylinders | 4 |
| Rated power | |
| ISO 14396: Gross | 105 HP (78.5 kW) at 2,000 min |
| ISO 9249: Net | 100 HP (74.9 kW) at 2,000 min |
| Maximum Torque | 277 lbf (375 Nm) at 1,800 min |
| Piston displacement | 183 in3 (2.999 L) |
| Bore and Stroke | 3.8″ x 4.1″ (95.4 mm x 104.9 mm) |
| Batteries | 2 x 12 V / 58 Ah |
Hydraulic System
| Hydraulic Pumps | |
|---|---|
| Main pumps | 2 variable displacement axial piston pumps |
| Maximum Oil flow | 2 x 30.9 gal/min (117 L/min) |
| Pilot Pump | 1 gear pump |
| Maximum Oil Flow | 8.9 gal/min (33.6 L/min) |
| Hydraulic Motors | |
|---|---|
| Travel | 2 variable displacement axial piston motors |
| Swing | 1 axial piston motor |
| Relief Valve Settings | |
|---|---|
| Implement circuit | 4,970 psi (34.3 MPa |
| Swing circuit | 4,680 psi (32.3 MPa |
| Travel circuit | 4,970 psi (34.3 MPa) |
| Pilot circuit | 566 psi (3.9 MPa) |
| Power boost | 5,260 psi (36.3 MPa) |
Hydraulic Cylinders | ZX75US-7
| Quantity | Bore | Rod Diameter | |
|---|---|---|---|
| Boom | 2 | 4.1″ (105 mm) | 2.8″ (70 mm) |
| Arm | 1 | 4.5″ (115 mm) | 3.2″ (80 mm) |
| Bucket | 1 | 3.9″ (100 mm) | 2.8″ (70 mm) |
| Thumb | 1 | 3.7″ (95 mm) | 2.4″ (60 mm) |
Upperstructure
| Revolving Frame | D-Section frame for resistance to deformation |
|---|---|
| Swing Device | |
| Axial piston motor with planetary reduction gear is bathed in oil. Swing circle is single row. | Swing parking brake is spring-set/hydraulic released disc type |
| Swing speed | 13.3 min |
| Swing torque | 25,100 lbf (34.0 kNm) |
Undercarriage
| Tracks |
|---|
| Heat-treated connecting pins with dirt seals. Hydraulic (grease) track adjusters with shock-absorbing recoil springs. |
| Numbers of Rollers and Shoes on Each Side | |
|---|---|
| Upper rollers | 1 |
| Lower rollers | 7 |
| Track Shoes | 44 |
| Track Guards | 1 |
| Travel Device | |
|---|---|
| Each track driven by a 2-speed axial piston motor | Parking brake is spring-set/hydraulic-released disc type. Automatic transmission system: High-Low |
| Travel Speeds | High: 0 to 3.4 mph (0 to 5.5 km/h) Low: 0 to 2.0 mph (0 to 3.3 km/h) |
| Maximum traction force | 26,300 lbf (117 kN) |
| Gradeability | 70% (35 degrees) continuous |
Service Refill Capacities
| Fuel tank | 58.1 gal (220.0 L) |
| Engine coolant | 5.5 gal (21.0 L) |
| Engine oil | 4.5 gal (17.0 L) |
| Swing device | 0.8 gal (3.2 L) |
| Travel device (each side) | 1.1 gal (4.2 L) |
| Hydraulic system | 41.0 gal (155.0 L) |
| Hydraulic oil tank | 15.8 gal (60.0 L) |
| DEF/AdBlue® tank | 3.4 gal (13.0 L) |
Weights and Ground Pressure
Operating Weight and Ground Pressure
| Shoe Type | Shoe width Unit: in (mm) | Arm Length, ft-in(m) | ZX130-7H Monoblock | ZX130-7H w/blade Monoblock |
|---|---|---|---|---|
| Triple gouser | 24″ (600) | 8′ 3″ (2.52) 9′ 11″ (3.01) | 31,700 (14,400) 30,900 (14,000)19,800 | 34,300 (15,600) 33,500 (15,200) |
| Triple gouser | 28″ (700) | 8′ 3″ (2.52) 9′ 11″ (3.01) | 32,300 (14,600) 31,300 (14,200) | 34,800 (15,800) 34,000 (15,400) |
Including 0.68 yd³ (0.52 m³) (ISO 7451:2007 heaped) bucket weight (900 Ib (410 kg)) and counterweight (6,500 Ib (2,950 kg)).
Bucket and ARM Digging Force
| ZX130-7H | |
| Arm length | 9′ 11″ (3.01 m) |
| Bucket digging force* ISO 6015: 2006 | 23,400 (104) |
| Bucket with thumb digging force ISO 6015 : 2006 | 19,500 (86.5) |
| Arm crowd force ISO 6015 : 2006 | 13,700 (61) |
Additional information
| Condition | New |
|---|



