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Hitachi ZW370-6 HC

Configuration: High Capacity; standard boom, general-purpose straight-edge bucket with bolt-on cutting edge, 6.2 m³ heaped; 875/65R29 (L3) tires, ROPS cab; EPA Tier 4 Final

25 sourced values · Sources: Hitachi ZW370-6 HC Specifications sheet (US), Global Pub# KL-EN171NA-US-R, EPA Tier 4 Final / EU Stage IV. Retrieved 2026-10-25

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Dimension diagram

A B C D E F Side viewFront view Schematic, not to scale
AOverall length9,720 mm
BOverall height3,735 mm
CWheelbase3,600 mm
DGround clearance430 mm
EOverall width3,770 mm
FTrack gauge / tread2,500 mm

Weights

SpecValueSource
Operating weight35,920 kg
Published: 35,920 kg
Hitachi ZW370-6 HC Specifications sheet (US), Global Pub# KL-EN171NA-US-R, EPA Tier 4 Final / EU Stage IV. Retrieved 2026-10-25
With ROPS cab, 875/65R29 tires (79,210 lb).

Dimensions

SpecValueSource
Overall length9,720 mm
Published: 9,720 mm
Hitachi ZW370-6 HC Specifications sheet (US), Global Pub# KL-EN171NA-US-R, EPA Tier 4 Final / EU Stage IV. Retrieved 2026-10-25
Dim. F, overall length (32').
Overall width3,770 mm
Published: 3,770 mm
Hitachi ZW370-6 HC Specifications sheet (US), Global Pub# KL-EN171NA-US-R, EPA Tier 4 Final / EU Stage IV. Retrieved 2026-10-25
Dim. J, bucket width. Width over tires 3,380 mm.
Overall height3,735 mm
Published: 3,735 mm
Hitachi ZW370-6 HC Specifications sheet (US), Global Pub# KL-EN171NA-US-R, EPA Tier 4 Final / EU Stage IV. Retrieved 2026-10-25
Dim. G, to cab top.
Wheelbase3,600 mm
Published: 3,600 mm
Hitachi ZW370-6 HC Specifications sheet (US), Global Pub# KL-EN171NA-US-R, EPA Tier 4 Final / EU Stage IV. Retrieved 2026-10-25
Dim. L, wheel base.
Track gauge / tread2,500 mm
Published: 2,500 mm
Hitachi ZW370-6 HC Specifications sheet (US), Global Pub# KL-EN171NA-US-R, EPA Tier 4 Final / EU Stage IV. Retrieved 2026-10-25
Dim. K, tread.
Ground clearance430 mm
Published: 430 mm
Hitachi ZW370-6 HC Specifications sheet (US), Global Pub# KL-EN171NA-US-R, EPA Tier 4 Final / EU Stage IV. Retrieved 2026-10-25
Dim. N, minimum ground clearance.
Turning radius6,635 mm
Published: 6,635 mm
Hitachi ZW370-6 HC Specifications sheet (US), Global Pub# KL-EN171NA-US-R, EPA Tier 4 Final / EU Stage IV. Retrieved 2026-10-25
Clearance circle at outside of tire, bucket carry position (21'8"); at outside of bucket 7,990 mm.

Undercarriage / tires

SpecValueSource
Undercarriage typeWheeled, articulated
Published: Wheeled, articulated
Hitachi ZW370-6 HC Specifications sheet (US), Global Pub# KL-EN171NA-US-R, EPA Tier 4 Final / EU Stage IV. Retrieved 2026-10-25
Articulated frame steering, 37° full articulation (dim. O) each direction.
Number of axles2
Published: 2
Hitachi ZW370-6 HC Specifications sheet (US), Global Pub# KL-EN171NA-US-R, EPA Tier 4 Final / EU Stage IV. Retrieved 2026-10-25
Wheels (count)4
Published: 4
Hitachi ZW370-6 HC Specifications sheet (US), Global Pub# KL-EN171NA-US-R, EPA Tier 4 Final / EU Stage IV. Retrieved 2026-10-25
Four-wheel drive.
Tire size875/65R29 (L-3)
Published: 875/65R29 (L-3)
Hitachi ZW370-6 HC Specifications sheet (US), Global Pub# KL-EN171NA-US-R, EPA Tier 4 Final / EU Stage IV. Retrieved 2026-10-25

Ground pressure

SpecValueSource
Ground pressureNot publishedHitachi ZW370-6 HC Specifications sheet (US), Global Pub# KL-EN171NA-US-R, EPA Tier 4 Final / EU Stage IV. Retrieved 2026-10-25
Not published in the spec sheet.

Axle loads

SpecValueSource
Axle load, front (unladen/operating)Not publishedHitachi ZW370-6 HC Specifications sheet (US), Global Pub# KL-EN171NA-US-R, EPA Tier 4 Final / EU Stage IV. Retrieved 2026-10-25
Not published in the spec sheet.
Axle load, rear (unladen/operating)Not publishedHitachi ZW370-6 HC Specifications sheet (US), Global Pub# KL-EN171NA-US-R, EPA Tier 4 Final / EU Stage IV. Retrieved 2026-10-25
Not published in the spec sheet.

Engine

SpecValueSource
Engine modelIsuzu 6WG1
Published: Isuzu 6WG1
Hitachi ZW370-6 HC Specifications sheet (US), Global Pub# KL-EN171NA-US-R, EPA Tier 4 Final / EU Stage IV. Retrieved 2026-10-25
EPA Tier 4 Final / EU Stage IV certified.
Net power288 kW
Published: 288 kW
Hitachi ZW370-6 HC Specifications sheet (US), Global Pub# KL-EN171NA-US-R, EPA Tier 4 Final / EU Stage IV. Retrieved 2026-10-25
ISO 9249 (386 HP) at 1,800 rpm.
Gross power290 kW
Published: 290 kW
Hitachi ZW370-6 HC Specifications sheet (US), Global Pub# KL-EN171NA-US-R, EPA Tier 4 Final / EU Stage IV. Retrieved 2026-10-25
ISO 14396 (389 HP) at 1,800 rpm.
Displacement15.68 L
Published: 15.68 L
Hitachi ZW370-6 HC Specifications sheet (US), Global Pub# KL-EN171NA-US-R, EPA Tier 4 Final / EU Stage IV. Retrieved 2026-10-25
Rated speed1,800 rpm
Published: 1,800 rpm
Hitachi ZW370-6 HC Specifications sheet (US), Global Pub# KL-EN171NA-US-R, EPA Tier 4 Final / EU Stage IV. Retrieved 2026-10-25

Hydraulics

SpecValueSource
Pump / aux flow340 L/min
Published: 340 L/min
Hitachi ZW370-6 HC Specifications sheet (US), Global Pub# KL-EN171NA-US-R, EPA Tier 4 Final / EU Stage IV. Retrieved 2026-10-25
Main pump, variable piston: 340 L/min at 6.9 MPa, 1,800 rpm (89.8 gpm at 1,000 psi). Pilot pump 90 L/min not included.
System / relief pressure34.3 MPa
Published: 34.3 MPa
Hitachi ZW370-6 HC Specifications sheet (US), Global Pub# KL-EN171NA-US-R, EPA Tier 4 Final / EU Stage IV. Retrieved 2026-10-25
Relief valve set pressure, loading, as printed (4,975 psi); the sheet's kgf/cm² figure (320) matches 31.4 MPa, so the printed values are inconsistent. Steering 27.5 MPa.

Performance

SpecValueSource
Max travel speed37 km/h
Published: 37 km/h
Hitachi ZW370-6 HC Specifications sheet (US), Global Pub# KL-EN171NA-US-R, EPA Tier 4 Final / EU Stage IV. Retrieved 2026-10-25
4th forward, power mode with lock-up (23.0 mph). Normal mode 36.1 km/h.
Bucket capacity6.2 m³
Published: 6.2 m³
Hitachi ZW370-6 HC Specifications sheet (US), Global Pub# KL-EN171NA-US-R, EPA Tier 4 Final / EU Stage IV. Retrieved 2026-10-25
ISO 7546 heaped (8.1 yd³). Struck 5.3 m³.
Tipping load24,260 kg
Published: 24,260 kg
Hitachi ZW370-6 HC Specifications sheet (US), Global Pub# KL-EN171NA-US-R, EPA Tier 4 Final / EU Stage IV. Retrieved 2026-10-25
Static, full turn, with ROPS cab (53,495 lb). Straight: 28,370 kg.
Breakout / digging force219 kN
Published: 219 kN
Hitachi ZW370-6 HC Specifications sheet (US), Global Pub# KL-EN171NA-US-R, EPA Tier 4 Final / EU Stage IV. Retrieved 2026-10-25
49,280 lb.
Dump height / clearance3,275 mm
Published: 3,275 mm
Hitachi ZW370-6 HC Specifications sheet (US), Global Pub# KL-EN171NA-US-R, EPA Tier 4 Final / EU Stage IV. Retrieved 2026-10-25
Dim. A, maximum dumping clearance (10'8"), SAE J732C; reach 1,465 mm.
Lift / hinge-pin height4,660 mm
Published: 4,660 mm
Hitachi ZW370-6 HC Specifications sheet (US), Global Pub# KL-EN171NA-US-R, EPA Tier 4 Final / EU Stage IV. Retrieved 2026-10-25
Dim. C, maximum hinge-pin height (15'4").

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