ZX350LC-7H
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Hitachi excavator ZX345USLC-7H built for high production excavation in tight job sites with advanced hydraulics and stability.
Hitachi Excavator ZX350LC-7H
The Hitachi Excavator ZX350LC-7H is engineered for high-production earthmoving, large-scale site development, and demanding infrastructure projects. Built on a long carriage platform for enhanced stability, the ZX350LC-7H delivers powerful breakout force, smooth hydraulic response, and dependable lifting capability across heavy-duty applications.
As part of the advanced ZAXIS-7 series, this excavator integrates intelligent engine management, refined hydraulic tuning, and improved fuel efficiency to maximize productivity while helping reduce operating costs. Its optimized boom and arm configuration support efficient trenching, mass excavation, loading, and material handling in tough job site conditions.
Designed for durability under sustained workloads, the ZX350LC-7H provides the strength, precision, and reliability expected from Hitachi Construction Equipment.
Product Highlights
Long Carriage Platform
Extended undercarriage enhances stability and lifting performance for heavy excavation work.
High-Production Digging Force
Strong breakout power and refined hydraulics support faster cycle times and increased material movement.
ZAXIS-7 Next Generation Systems
Advanced machine technology improves fuel efficiency, uptime, and performance management.
Intelligent Engine Control
Optimized power delivery balances high output performance with controlled operating costs.
Advanced Operator Environment
Modern cab design with improved visibility and intuitive controls supports long workdays.
Simplified Maintenance Access
Grouped service points and durable components help reduce downtime and support long-term reliability.
ZX17U-5n Specifications
| Specifications | |
|---|---|
| Net Rated Power | 271 HP (202 kW) |
| Operating Weight | 80,248 lb (36,400 kg) |
| Max. Digging Reach at Ground Level | 38 ft 3 in (11.67 m) |
| Max. Digging Depth | 26 ft 10 in (8.18 m) |
| Working Ranges | |
|---|---|
| Arm Length | 10’6″ (3.20) |
Engine
| Model | Isuzu 6HK1X |
| Type | 4-cycle water-cooled, common rail direct injection |
| Aspiration | Variable geometry turbocharged, intercooled, cooled EGR |
| Aftertreatment | DOC + SCR system |
| No. of cylinders | 6 |
| Rated power | |
| ISO 14396: Gross | 282 HP (210 kW) at 1,900 min |
| ISO 9249: Net | 271 HP (202 kW) at 1,900 min |
| Maximum Torque | 797 lbf (1 080 Nm) at 1,500 min |
| Piston displacement | 475.38 cu.in. (7.79 L) |
| Bore and Stroke | 4.5″ x 4.9″ (115 mm x 125 mm) |
| Batteries | 2 x 12 V / 135 Ah |
Hydraulic System
| Hydraulic Pumps | |
|---|---|
| Main pumps | 3 variable displacement axial piston pumps |
| Maximum Oil flow | 2 x 76 gal/min (288 L/min) 1 x 69 gal/min (260 L/min) |
| Pilot Pump | 1 gear pump |
| Maximum Oil Flow | 9.7 gal/min (36.8 L/min) |
| Hydraulic Motors | |
|---|---|
| Travel | 2 variable displacement axial piston motors |
| Swing | 1 axial piston motor |
| Relief Valve Settings | |
|---|---|
| Implement circuit | 4,974.8 psi (34.3 MPa) |
| Swing circuit | 4,699.2 psi (32.4 MPa) |
| Travel circuit | 5,974.8 psi (34.3 MPa) |
| Pilot circuit | 565.6 psi (3.9 MPa) |
| Power boost | 5,511.4 psi (38.0 MPa) |
Hydraulic Cylinders | ZX75US-7
| Quantity | Bore | Rod Diameter | |
|---|---|---|---|
| Boom | 2 | 5.7″ (145 mm) | 3.9″ (100 mm) |
| Arm | 1 | 6.7″ (170 mm) | 4.5″ (115 mm) |
| Bucket | 1 | 5.5″ (140 mm) | 3.7″ (95 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 | 9.7 min |
| Swing torque | 88 507 lbf (120.0 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 | 2 |
| Lower rollers | 8 |
| Track Shoes | 48 |
| Track Guards | 3 |
| 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 3.1 mph (0 to 5.0 km/h) Low : 0 to 2.0 mph (0 to 3.2 km/h) |
| Maximum traction force | 66,993 lbf (298 kN) |
| Gradeability | 70% (35 degrees) continuous |
Service Refill Capacities
| Fuel tank | 166.3 gal (630.0 L) |
| Engine coolant | 12.7 gal (48.0 L) |
| Engine oil | 12.7 gal (48.0 L) |
| Swing device | 4.1 gal (15.7 L) |
| Travel device (each side) | 2.9 gal (11.0 L) |
| Hydraulic system | 89.8 gal (340.0 L) |
| Hydraulic oil tank | 52.3 gal (198.0 L) |
| DEF/AdBlue® tank | 18.5 gal (70.0 L) |
Weights and Ground Pressure
Operating Weight and Ground Pressure
| Shoe Type | Shoe width (inch (mm)) | Arm length (ft-in (m)) | lb (kg) | psi (kPa) |
|---|---|---|---|---|
| Triple grouser | 32″ (800) | 11′ 2″ (3.4) 12′ 10″ (3.9) | 79,807 (36,200) 80,248 (36,400) | 7.35 (50.7) 7.40 (51.0) |
Including 1.83 yd³ (1.40 m³ ) (ISO 7451:2007 heaped) bucket weight (2,579 Ib (1,170 kg)) and counterweight (16,755 Ib (7,600 kg)).
Bucket and ARM Digging Force
| ZX490LC-7H | ZX490LC-7H | |
| Arm length | 10′ 6″ (3.20 m) | 13′ 1″ (4.00 m) |
| Bucket digging force* ISO 6015: 2006 | 55,303 (246) | 55,303 (246) |
| Arm crowd force* ISO 6015: 2006 | 41,590 (185) | 35,745 (159) |
Additional information
| Condition | New |
|---|


