ZX85USB-7
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Hitachi Compact Excavator ZX85USB-7
The Hitachi Compact Excavator ZX85USB-7 is engineered for demanding residential and congested job sites where precision, maneuverability, and power matter most. Featuring a reduced tail swing design and integrated swing boom, this machine provides exceptional access in tight environments without sacrificing digging force or stability.
As part of the latest generation lineup, the ZX85USB-7 delivers refined hydraulic performance, smooth multi-function operation, and enhanced operator comfort. Its compact footprint allows crews to work confidently near structures and boundaries, while maintaining the productivity and control expected from larger Hitachi excavators.
Designed for versatility and built for durability, the ZX85USB-7 provides dependable performance for trenching, excavation, site prep, and utility work in environments where space is limited but performance cannot be.
Product Highlights
Reduce Tail Swing Design
The compact rear profile allows safe and efficient operation in residential developments, urban streets, and congested commercial job sites.
Integrated Swing Boom Capability
The swing boom design increases digging flexibility, allowing operators to trench closer to structures and obstacles with greater precision.
Next-Generation Hydraulic Performance
Advanced hydraulic tuning provides smoother multi-function operation, improved cycle times, and consistent digging power under load.
Compact Footprint with Full-Size Power
Delivers the strength and stability expected from larger excavators in a maneuverable, easy-to-transport package.
Operator-Centered Cab Design
A refined cab layout enhances visibility, control access, and comfort for long workdays in demanding environments.
Built for Long-Term Durability
Reinforced components and quality construction help ensure dependable performance across a wide range of applications.
ZX17U-5n Specifications
| Specifications | |
|---|---|
| Net Rated Power | 63.7 HP (47.5 kW) |
| Operating Weight | 19,200 – 19,800 lb (8,286 – 8,994 kg) |
| Max. Digging Reach at Ground Level | 24 ft 4 in (7.42 m) |
| Max. Digging Depth | 14 ft 10 in (4.53 m) |
| Working Ranges | |
|---|---|
| Arm Length | 6′ 11″ (2.120 m) |
Engine
| Model | Yanmar 4TNV98CT |
| Type | 4-cycle water-cooled, common rail direct injection exhaust turbo charger |
| Aspiration | Cooled EGR |
| Aftertreatment | Muffler filter |
| No. of cylinders | 4 |
| Rated power | |
| ISO 14396: Gross | 67.6 HP (50.4 kW) at 2,000 min |
| ISO 9249: Net | 63.7 HP (47.5 kW) at 2,000 min |
| Maximum Torque | 211 Ibf (285.4 Nm) at 1,300 min |
| Piston displacement | 202.5 cu.in. (3.318 L) |
| Bore and Stroke | 3.9″ x 4.3″ (98 mm x 110 mm) |
| Batteries | 2 x 12 V / 60 Ah |
Hydraulic System
| Hydraulic Pumps | |
|---|---|
| Main pumps | 3 variable displacement axial piston pumps |
| Maximum Oil flow | 2 x 19 gal/min (72 L/min) 1 x 15 gal/min (56 L/min) |
| Pilot Pump | 1 gear pump |
| Maximum Oil Flow | 5.0 gal/min (20.0 L/min) |
| Hydraulic Motors | |
|---|---|
| Travel | 2 variable displacement axial piston motors |
| Swing | 1 axial piston motor |
| Relief Valve Settings | |
|---|---|
| Implement circuit | 4,061 psi (28.0 MPa) |
| Swing circuit | 3,844 psi (26.5 MPa) |
| Travel circuit | 4,554 psi (31.4 MPa) |
| Pilot circuit | 566 psi (3.9 MPa) |
Hydraulic Cylinders | ZX75US-7
| Quantity | Bore | Rod Diameter | Stroke | |
|---|---|---|---|---|
| Boom | 1 | 4.5″ (115 mm) | 2.6″ (65) | 36.0″ (915 mm) |
| Arm | 1 | 3.7″ (95 mm) | 2.4″ (60 mm) | 35.4″ (900 mm) |
| Bucket | 1 | 3.3″ (85 mm) | 2.2″ (55 mm) | 28.7″ (730 mm) |
| Blade | 1 | 4.7″ (120 mm) | 2.8″ (70 mm) | 5.7″ (145 mm) |
| Boom swing | 1 | 4.3″ (110 mm) | 2.4″ (60 mm) | 22.2″ (563 mm) |
| Positioning | 2 | 4.3″ (110 mm) | 2.4″ (60 mm) | 17.0″ (432 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 | 10.1 min |
| Swing torque | 12,243 lbf (16.6 kNm) |
Independent spacious cab, 3′ 4″ (1,025 mm) wide by 5′ 5″ (1,654 mm)
high,conforming to ISO* Standards. Reinforced glass windows on
4 sides for visibility. Front windows (upper and lower) can be opened.
Reclining seat.
- International Organization for Standardization
Undercarriage
| Tracks |
|---|
| Tractor-type undercarriage. Welded track frame using selected materials. Side frame welded to track frame |
| Numbers of Rollers and Shoes on Each Side | |
|---|---|
| Upper rollers | 1 |
| Lower rollers | 5 |
| Track Shoes | 40 |
| 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 1.9 mph (0 to 3.1 km/h) |
| Maximum traction force | 14,660 lbf (65.2 kN) |
| Gradeability | 70% (35 degrees) continuous |
Service Refill Capacities
| Fuel tank | 33.0 gal (125.0 L) |
| Engine coolant | 3.5 gal (13.1 L) |
| Engine oil | 3.2 gal (12.3 L) |
| Travel device (each side) | 0.3 gal (1.2 L) |
| Hydraulic system | 26.4 gal (100.0 L) |
| Hydraulic oil tank | 13.7 gal (52.0 L) |
Weights and Ground Pressure
Operating Weight and Ground Pressure
| Shoe Type | Shoe width Unit: in (mm) | Arm Length, ft-in(m) | Operating Weight lb (kg) | Ground Pressure psi (kPa) |
|---|---|---|---|---|
| Grouser Shoe | 18″ (450 mm) 24″ (600 mm) | 6′ 11″ (2.12 m) 6′ 11″ (2.12 m) | 19,400 (8,820 kg) 19,800 (8,994 kg) | 5.7 psi (39.0 kPa) 4.4 psi (30 kPa) |
| Rubber Shoe | 18″ (450 mm) | 6′ 11″ (2.12 m) | 19,200 (8,726 kg) | 5.7 psi (39.0 kPa) |
| Pad Crawler Shoe | 24″ (600 mm) | 6′ 11″ (2.12 m) | 19,500 (8,858 kg) | 5.7 psi (39.0 kPa) |
Including 0.37 yd3 (0.28 m3) (ISO 7451: 2007 heaped) bucket weight 465 Ib (211 kg) and counterweight 2,568 lb (1,165 kg).
Bucket and ARM Digging Force
| Unit: lbf (kN) | |
| Arm length | 6′ 11″ (2.12 m) |
| Bucket digging force* ISO 6015: 2006 | 12,926.5 (57.5) |
| Bucket digging force SAE: PCSA | 11,262.9 (50.1) |
| Arm crowd force* ISO 6015: 2006 | 7,755.9 (34.5) |
| Arm crowd force SAE: PCSA | 7,418.7 (33.0) |
Additional information
| Condition | New |
|---|




