KOBELCO SK15SR Final Drive PU15V00006F1 PU15V00007F1 PU15V01003F1 PU15V01004S001 Excavator Hydraulic Travel Mortor Reduction
KOBELCO SK15SR final drive
,excavator hydraulic travel motor
,PU15V00006F1 travel reduction
PU15V00007F1 PU15V01004S001 Final Drive for Kobelco SK15SR | Travel Motor
Precision Traction for Compact Earthmovers. Direct OEM replacement TM01 dual-displacement hydraulic travel motor and planetary reduction assembly, engineered specifically for Kobelco SK15SR mini excavators.
1. Technical Specifications & Operating Data
(Optimized for Google Snippets & B2B procurement queries)
| Specification Item | Metric Value |
|---|---|
| OEM Assembly Numbers | PU15V00006F1, PU15V00007F1, PU15V01003F1, PU15V01004S001 |
| Applicable Machine | Kobelco SK15SR (1.0 – 1.8 Ton) |
| Motor Series | TM01 (2-Speed Configuration) |
| Displacement (Hi / Lo) | 6 / 12 mL/rev |
| Output Torque (Hi / Lo) | 700 / 1400 N·m |
| Output Speed (Hi / Lo) | 90 / 45 rpm |
| Working Hydraulic Pressure | 20.6 MPa |
| Rated Inlet Flow | 20 L/min |
| Gear Reduction Ratio | 37 : 1 |
| Condition / Warranty | 100% Brand New / 12 Months |
2. Resolving Kobelco SK15SR Drive Stutter & Pressure Bypass
Experiencing sluggish track response or loss of counter-rotation power under load? In tight urban job sites, the Kobelco SK15SR relies on sharp, responsive counter-rotations. Aging motors suffer from micro-scoring between the cylinder block and valve plate, causing high-pressure bypass back to the tank. This defect manifests as track drifting during ditch clearing and inability to climb trench inclines. Installing a complete new PU15V00007F1 assembly restores full 1400 N·m low-speed torque and razor-sharp joystick modulation.
3. Exploded View & Internal Component Breakdown
(Cross-reference internal service components for Kobelco hydraulic motor assembly PU15V00007F1)
| Ref # | Part Number | Description | Qty |
|---|---|---|---|
| — | PU15V00004R300 | REPAIR KIT (BASE PLATE) | 1 |
| — | PU15V00004R100 | REPAIR KIT (SEALS & SPRINGS) | 1 |
| — | PU15V00007F1 | HYDRAULIC MOTOR ASSY (PROPELLING) | 1 |
| — | PU15V00004R200 | REPAIR KIT (CYLINDER BLOCK GROUP) | 1 |
| 1 | PU15V01004S001 | REDUCTION ASSY | 1 |
| 2 | PU15V00003S002 | SHAFT | 1 |
| 3 | PU15V00003S003 | BEARING | 1 |
| 4 | PU15V00003S004 | OIL SEAL | 1 |
| 5 | PU15V00007S005 | PLATE | 1 |
| 6 | PD15V00003S006 | STEEL BALL | 2 |
| 7 | PU15V00004S007 | BLOCK, CYLINDER | 1 |
| 8 | PU15V00003S008 | HOLDER, SPRING | 1 |
| 9 | PU15V00003S009 | SPRING | 1 |
| 10 | PU15V00003S010 | WASHER | 1 |
| 11 | PU15V00003S011 | RING, SNAP | 1 |
| 12 | PU15V00003S012 | PIN | 3 |
| 13 | PU15V00003S013 | HOLDER, RETAINER | 1 |
| 14 | PU15V00003S014 | SPRING, PLATE | 1 |
| 15 | PU15V00003S015 | PISTON ASSY | 9 |
| 16 | PU15V00004S016 | DISC | 1 |
| 17 | PU15V00004S017 | PISTON, BRAKE | 1 |
| 18 | PU15V00004S018 | SPRING | 8 |
| 19 | PU15V00003S019 | PISTON ASSY | 2 |
| 20 | PU15V00003S020 | SPRING | 2 |
| 21 | PU15V00004S021 | O-RING | 1 |
| 23 | ZD12G09000 | O-RING (89.40mm ID x 95.60mm OD x 3.10mm) | 1 |
| 25 | PU15V00003S021 | PLATE, VALVE | 1 |
| 26 | 2441U901S19 | PIN | 1 |
| 27 | PU15V00003S027 | BALL BEARING | 1 |
| 28 | ZD11G10000 | O-RING (99.40mm ID x 105.60mm OD x 3.10mm) | 1 |
| 29 | ZD12P00700 | O-RING (1.6mm Thk x 6.8mm ID, 90 Duro) | 4 |
| 30 | PU15V00004S030 | PLATE | 1 |
| 31 | PU15V00003S031 | PISTON ASSY | 1 |
| 31-1 | PM15V00004S001 | PLUNGER ASSY | 1 |
| 31-2 | PM15V00004S002 | GASKET, CHECK VALVE | 2 |
| 31-3 | PM15V00004S003 | SPRING | 2 |
| 31-4 | PU15V00003S314 | PLUG | 2 |
| 31-5 | PM15V00004S005 | O-RING | 2 |
| 36 | PM15V00004S025 | SEAT | 2 |
| 37 | PM15V00004S026 | COVER, SPRING | 2 |
| 38 | PU15V00003S038 | CAP | 2 |
| 39 | ZD12P02400 | O-RING (ID 23.70 x OD 30mm) | 2 |
| 40 | PM15V00004S029 | ORIFICE | 4 |
| 41 | PM15V00004S030 | SPOOL | 1 |
| 42 | PM15V00004S031 | SPRING | 1 |
| 43 | 2441U984S35 | PLUG (Fill / Insp) | 3 |
| 44 | ZD12P01100 | O-RING (ID 10.8mm x OD 13.2mm) | 4 |
| 45 | 2441U802S47 | PLUG | 6 |
| 46 | PU15V00003S046 | PLUG | 1 |
| 47 | PV15V00002S040 | ORIFICE | 5 |
| 48 | 2453U275S317 | SCREW (Hex Socket Head, M8 x 20mm) | 6 |
| 49 | 2441U910S116 | PIN | 4 |
| 57 | PM15V00005S049 | PLUG | 4 |
| 60 | ZE82T04000 | PLUG (1/4" PT) | 1 |

4. Technical FAQ
Q: Can this final drive replace both PU15V00006F1 and PU15V00007F1? A: Yes. Part numbers PU15V00006F1 and PU15V00007F1 designate factory travel motor supersessions for the Kobelco SK15SR. This assembly matches identical hydraulic displacement, porting, and reduction ratios.
Q: Does installing a complete drive avoid the cost of individual rebuild kits? A: Yes. While rebuild kits like PU15V00004R200 address piston wear, installing a factory-calibrated complete unit eliminates worn gearbox backlashes, saving labor hours and restoring OEM-spec drive performance immediately.
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