ناقل الحركة النهائي Hitachi HMGF44BA 9243839 لـ حفارة Hitachi ZX240-3 ZX240-3G ZX240-5G ZX250LC-3 ZX250-5G ZX250LCH-5G ZX260LCH-3G ZX260LC-5

Hitachi HMGF44BA Final Drive
OEM Numbers: 9243839, 9256989, 9242907, 9257553
Model: Hitachi HMGF44BA
Type: Integrated travel motor + planetary reducer (24–26 ton excavator)
Weight: ~320–340 kg
Application: Hitachi ZX240-3/5G, ZX250-3/5G, ZX260LC-3G/5 series excavators

1. Compatible Hitachi Models
ZX240-3 / ZX240-3G / ZX240-5G
ZX250LC-3 / ZX250-5G / ZX250LCH-5G
ZX260LCH-3G / ZX260LC-5
Also fits ZX230-3, ZX270-3 (24–27 ton range)

2. Part Number Cross Reference
Hitachi OEM: 9243839 (main), 9256989, 9242907, 9257553
Model: HMGF44BA (also HMGF44EA)
Alternate: 9233690, 011-028672

3. Key Specifications (HMGF44BA)
Max output torque: ~48,000 N·m
Max pressure: 35 MPa
Displacement: ~4,400 cm³/rev
Max speed: 42 rpm
Mounting: Frame 16‑bolt, sprocket 18‑bolt
Two‑speed: High/low (rabbit/turtle)
Gear ratio: ~52:1

4. Features
Genuine Hitachi hydraulic motor + heavy‑duty planetary gears
High torque for 24–26 ton excavators, reinforced for heavy loads
Exact bolt pattern & port layout, 1:1 direct fit
Factory prefilled gear oil, ready for installation
Durable sealed design for heavy‑duty construction use
Fits left & right sides (identical)

5. Supply & Warranty
Stock in Guangzhou, ship in 1–3 working days
Condition: New OEM / aftermarket equivalent
Warranty: 12 months
Packing: Export wooden crate

6. FAQ
Q: What’s the difference between HMGF40FA and HMGF44BA?
A: HMGF44BA is upgraded for 24–26 ton (vs 20–25 ton for HMGF40FA), higher torque & pressure.
Q: Does it replace older HMGF40FA?
A: No—different bolt pattern & gear ratio, not interchangeable.
Q: Can you verify with my machine serial number?
A: Send serial number for free fitment check.