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).
