The Hitachi Wheel Loader ZW310-7 is engineered for high-production loading, quarry operations, and demanding infrastructure projects. Designed to move large volumes of material efficiently, the ZW310-7 delivers strong breakout force, stable lifting performance, and rapid cycle times across heavy-duty applications.
Advanced hydraulic systems and intelligent engine management work together to provide smooth bucket control and optimized fuel efficiency under sustained workloads. Its reinforced frame and loader arm geometry support confident truck loading, stockpiling, and material placement in aggregate and large construction environments.
Built for durability and long-term reliability, the ZW310-7 is designed to withstand rigorous daily operation. It provides the power, stability, and efficiency expected from Hitachi Construction Equipment in large production wheel loader applications.
ZX17U-5n Specifications
Specifications
Bucket capacity (m³) ISO Heaped:
5.5 – 6.1 yd³ (4.2 – 4.7 m³)
Net Rated Power:
303 HP (226 kW)
Operating Weight:
54,190 – 54,851 lb (24,580 – 24,880 kg)
Breakout force (kN):
44,776 lbf (199 kN)
Engine
Model
CUMMINS L9
Type
4 cycle water-cooled, direct injection
Aspiration
Waste-gate turbocharger and intercooled
Aftertreatment
DPF+SCR system
No. of cylinders
6
Maximum power
ECE R120 gross
312 HP (233 kW) at 1,700 min-¹ (rpm)
ISO 9249 : 2007 net
303 HP (226 kW) at 1,700 min-¹ (rpm)
Rated power
ISO 14396 : 2002
286 HP (213 kW) at 2,000 min-¹ (rpm)
ISO 9249 : 2007 net
274 HP (204 kW) at 2 000 min-¹ (rpm)
Maximum Torque, gross
1,636 Nm at 1 100 min-1 (rpm)
Bore and stroke
5.4″ x 5.7″ (137 mm x 146 mm)
Piston displacement
543.1 cu.in (8.9 L)
Batteries
2 x 12 V
Air cleaner
Two element dry type with restriction indicator
Power Train
Transmission
Torque converter, countershaft type powershift with computer-controlled automatic shift and manual shift features included
Torque converter
Three element, single stage, single phase with lock-up clutch
Main clutch
Wet hydraulic, multi-disc type
Cooling method
Forced circulation type
Travel speed* Forward / Reverse
Operating Mode
Standard Mode
Power Mode
Power + Mode
1st mph (km/h)
4.2 (6.7) / 3.7 (6.0)
4.2 (6.7) / 4.2 (6.7)
4.3 (5.9) / 4.3 (6.9)
2nd mph (km/h)
7.1 (11.4) / 6.4 (10.3
7.1 (11.4) / 7.1 (11.4)
7.4 (11.9) / 7.4 (11.9)
w/LU Conv. ON
7.1 (11.5) / 6.5 (10.4)
7.1 (11.4) / 7.1 (11.5)
7.4 (11.9) / 7.4 (11.9)
3rd mph (km/h)
13.7 (22. 1) / 13.7 (22.1)
13.7 (22.1) / 13.7 (22.1)
13.7 (22.1) / 13.7 (22.1)
w/LU Conv. ON
14.0 (22.5) / 14.0 (22.5)
14.0 (22.5) / 14.0 (22.5)
14.0 (22.5) / 14.0 (22.5)
4th mph (km/h)
22.4 (36.01 / 22.4 (36.01)
22.4 (36.0) / 22.4 (36.0)
22.4 (36.0) / 22.4 (36.0)
*With 20.5 R25 (L3) tires
Axle and Final Drive
Drive system
Four-wheel drive system
Front and rear axle
Semi-floating
Front
Fixed to the front frame
Rear
Trunnion support
Reduction and differential gear
Two stage reduction with torque proportioning differential
Oscillation angle
Total 24˚ (+12˚,-12˚)
Final drives
Heavy-duty planetary, mounted inboard
Tires
Tire size
26.5R25 (L3)
Optional
Refer to standard & optional equipment list
Brakes
Service brakes
Inboard mounted fully hydraulic 4-wheel wet disc brake. Front and rear independent brake circuit
Parking brakes
Spring applied, hydraulically released, dry disc type with external output shaft
Steering System
Type
Articulated frame steering
Steering angle
Each direction 37°; total 74°
Cylinders
Double-acting piston type
No. x Bore x Stroke
2 x 3.3″ x 19.6″ (2 x 85 mm x 498 mm)
Hydraulic System
Arm and bucket are controlled by multifunction lever
Arm controls
Four position valve; Raise, hold, lower, float
Bucket controls with automatic bucket return-to-dig control
Three position valve; Roll back, hold, dump
Main pump (Serve as steering pump)
Variable piston type
Maximum flow
79.3 gal (300 L) /min at 2,000 min-¹ (rpm)
Maximum pressure
4,554 psi (31.4 MPa)
Fan pump
Fixed Displacement Gear Pump
Maximum flow
22.5 gal (85.0 L) /min at 2,000 min-¹ (rpm)
Maximum pressure
2,393 psi (16.5 MPa)
Hydraulic cylinders
Type
Double acting type
No. x Bore x Stroke
Arm: 2 x 5.7″ x 34.8″ (2 x 145 mm x 884 mm) Bucket: 1 x 7.1″ x 20.7″ (1 x 180 mm x 525 mm)
Filters
Full-flow 15 micron return filter in reservoir
Hydraulic cycle times
Lift arm raise
5.6 s
Lift arm lower
4.1 s
Bucket dump
1.2 s
Total
10.9 s
*Data at power mode
Environment
Engine Emissions
EPA Final Tier 4 / EU stage V
Sound Level
Sound level in cabin according to ISO 6396: 2008
LpA 69 dB(A)
External sound level according To ISO 6395: 2008 and EU Directive 2000/14/EC
