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KOBELCO SK20SR-3 SK27SR-3 SK27SR-5 New Holland EH27.B E27SR E27 E27BSR E27B Final Drive PM15V00021F1 Travel Motor Reducer
KOBELCO SK20SR-3 final drive
,New Holland E27 travel motor
,PM15V00021F1 travel reducer
PM15V00021F1 Final Drive for Kobelco SK20SR SK27SR New Holland E27B | Travel Motor
Balanced Dual-Speed Drive for 2.0–2.8T Compact Excavators. OEM-standard TM02 replacement hydraulic travel motor with 39:1 planetary reduction gearbox, engineered for cross-platform fitment on Kobelco SK20SR/SK27SR and New Holland E27-series excavators.
1. Technical Operating Specifications
(Structured for Google snippet indexing & B2B procurement queries)
| Technical Parameter | Specification Value |
|---|---|
| OEM Assembly Number | PM15V00021F1 |
| Applicable Models | Kobelco SK20SR-3, SK27SR-3, SK27SR-5; New Holland EH27.B, E27SR, E27, E27BSR, E27B |
| Motor Drive Core | TM02 Universal (2-Speed Axial Piston) |
| Applicable Machine Weight | 2.0 – 2.8 Ton (1.8–2.5t nominal) |
| Displacement (Hi / Lo) | 9 / 17 mL/rev |
| Output Torque (Hi / Lo) | 1200 / 2200 N·m |
| Output Shaft Speed (Hi / Lo) | 71 / 38 rpm |
| Working Hydraulic Pressure | 21.0 MPa |
| Inlet Flow Rate | 25 L/min |
| Planetary Reduction Ratio | 39 : 1 |
| Condition / Warranty | 100% Brand New / 12 Months |
2. Verified Undercarriage Fitment Dimensions
(Precision measurements for drop-in frame and sprocket alignment)
| Mounting Interface | Specification Parameter | Installation Characteristic |
|---|---|---|
| Chassis Frame Mounting | 8 × φ10 mm | Equidistantly spaced (Uniform 8-bolt circle) |
| Drive Sprocket Mounting | 9 × φ10 mm | Equidistantly spaced bolt pitch |
| Sprocket Pilot Inner Diameter | 160 mm | Precision CNC machined locating register |
3. Resolving Kobelco SK27SR & New Holland E27 Shift Sluggishness
Is your excavator stuck in low creep speed or drifting off-line during two-speed travel? In Kobelco SK27SR and New Holland E27B excavators, intense cyclic loading can cause internal pilot shift spools to bind. When contaminated oil causes internal pressure bleed across the displacement changeover piston, the motor fails to shift smoothly between 38 rpm and 71 rpm, resulting in severe track hesitation and uneven ground speed. Installing a fresh PM15V00021F1 drive assembly immediately restores crisp hydraulic gear shifts and continuous 2200 N·m tractive effort.
4. Frequently Asked Questions (Technical & Commercial)
For Machine Owners & Operators (C-End Insights)
Q: Can this drive fit both my Kobelco SK27SR-3 and New Holland E27B without changing brackets? A: Yes. Kobelco and New Holland share identical CNH undercarriage engineering for this weight class. The 8 equidistant frame holes (φ10 mm), 9 sprocket holes, and 160 mm pilot register bolt up with zero modifications.
Q: Why is my replacement motor turning in the opposite direction after installation? A: If the track moves backward when pushing forward, simply swap the two main high-pressure hydraulic work hoses (A and B ports). The casing drain line must always remain connected to the tank line.
For Equipment Dealers & Repair Shops (B-End Insights)
Q: Does holding PM15V00021F1 in stock cover multiple machines in our fleet inventory? A: Yes. Because this unit serves as a universal drive across 7 major compact excavator models (SK20SR-3 through SK27SR-5 and New Holland E27 series), keeping one SKU in stock satisfies replacement demand across both dealer brands.
Q: What is the factory testing protocol before units are dispatched? A: Every drive is dynamometer tested at full 21.0 MPa operating pressure to verify internal shift valve responsiveness, mechanical brake release thresholds, and casing seal integrity under temperature.
| # | Part No. | Description | Qty |
|---|---|---|---|
| PM15V00021F1 | HYDRAULIC MOTOR,671CC; ASSY (PROPELLING), Page 2 of 2 | ||
| 1 | NSS | NOT SOLD SEPARAT; HOLDER | 1 |
| 2 | PM15V01004S002 | SEAL | 2 |
| 3 | PM15V01004S003 | BEARING; ANGULAR | 1 |
| 4 | PM15V00015S004 | NUT | 1 |
| 5 | PM15V00015S005 | PLUG | 2 |
| 6 | NSS | NOT SOLD SEPARAT; HOUSING | 1 |
| 7 | 2438U988S19 | BALL | 109 |
| 8 | ZE82T02000 | PLUG | 2 |
| 9 | PM15V00015S009 | GEAR; PLANETARY | 4 |
| 10 | 2441U942S19 | BEARING; NEEDLE | 4 |
| 11 | PM15V00015S011 | RACE; INNER | 4 |
| 12 | PM15V00004S012 | WASHER | 4 |
| 13 | PM15V00004S013 | PLATE; THRUST | 1 |
| 14 | 2441U942S14 | SCREW | 4 |
| 15 | PM15V00015S015 | GEAR; SUN | 1 |
| 16 | PM15V00015S016 | BAT; RING, SNAP | 1 |
| 17 | PV15V00021S017 | HOLDER | 1 |
| 18 | PV15V00021S018 | GEAR; PLANETARY | 3 |
| 19 | PV15V00005S019 | NEEDLE BEARING | 3 |
| 20 | PV15V00005S020 | RACE; INNER | 3 |
| 22 | PV15V00018S022 | GEAR,13 teeth; DRIVE | 1 |
| 23 | PM15V00015S023 | THRUST PLATE | 1 |
| 24 | PM15V00015S024 | COVER | 1 |
| 25 | ZD12P13000 | O-RING | 1 |
| 26 | PV15V00005S029 | WIRE | 1 |
| 27 | 2441U984S35 | PLUG; Fill / Insp | 2 |
| 28 | ZD12P01100 | O-RING | 2 |
| 29 | PV15V00002S002 | SHAFT | 1 |
| 30 | PV15V00002S003 | BEARING, BALL | 1 |
| 31 | PM15V00015S031 | OIL SEAL | 1 |
| 32 | PM15V00021S032 | PLATE | 1 |
| 33 | PM15V00015S033 | BALL | 2 |
| 34 | NSS | NOT SOLD SEPARAT; BLOCK, CYLINDER | 1 |
| 35 | NSS | NOT SOLD SEPARAT; SPRING, SEAT | 1 |
| 36 | NSS | NOT SOLD SEPARAT; SPRING | 1 |
| 37 | NSS | NOT SOLD SEPARAT; WASHER | 1 |
| 38 | NSS | NOT SOLD SEPARAT; RING, SNAP | 1 |
| 39 | NSS | NOT SOLD SEPARAT; PIN | 3 |
| 40 | NSS | NOT SOLD SEPARAT; HOLDER | 1 |
| 41 | NSS | NOT SOLD SEPARAT; PLATE RETAINER | 1 |
| 42 | NSS | NOT SOLD SEPARAT; PISTON ASSY | 9 |
| 43 | PM15V00005S016 | DISC | 1 |
| 44 | PM15V00021S044 | PISTON | 1 |
| 45 | PM15V00005S018 | SPRING | 10 |
| 46 | PM15V00021S046 | PISTON ASSY; ASSY | 2 |
| 47 | PM15V00021S047 | SPRING | 2 |
| 48 | PM15V00005S021 | O-RING | 1 |
| 49 | PM15V00021S049 | BACK-UP RING | 1 |
| 50 | PM15V00005S022 | O-RING | 1 |
| 51 | PM15V00021S051 | BACK-UP RING | 1 |
| 52 | PV15V00002S025 | PILOT VALVE; PLATE | 1 |
| 53 | 2441U901S19 | PIN | 1 |
| 54 | PV15V00002S027 | BEARING, BALL | 1 |
| 55 | PM15V00002S021 | O-RING | 1 |
| 56 | ZD12P00700 | O-RING,1.6mm Thk x 6.8mm ID, 90 Duro | 4 |
| 77 | 2441U910S116 | PIN | 2 |
| 78 | NSS | NOT SOLD SEPARAT; BODY VALVE | 1 |
| 79 | NSS | NOT SOLD SEPARAT; SPOOL | 1 |
| 80 | NSS | NOT SOLD SEPARAT; SPRING | 2 |
| 81 | NSS | NOT SOLD SEPARAT; SPRING | 2 |
| 82 | NSS | NOT SOLD SEPARAT; PLUG | 2 |
| 83 | ZD12P01400 | O-RING | 2 |
| 84 | ZD12P01000 | O-RING | 3 |
| 85 | ZD12P00700 | O-RING,1.6mm Thk x 6.8mm ID, 90 Duro | 1 |
| 86 | NSS | NOT SOLD SEPARAT; BOLT | 3 |
| 87 | NSS | NOT SOLD SEPARAT; NAME PLATE | 1 |
| 88 | NSS | NOT SOLD SEPARAT; SCREW, DRIVE | 2 |
| 91 | PM15V00005S049 | PLUG | 2 |
| 92 | LQ15V00007S015 | PLUG | 2 |
| 93 | ZD12P00800 | O-RING,1.9mm Thk x 7.8mm ID, 90 Duro | 2 |
| 94 | ZE82T04000 | PLUG | 1 |
| 95 | PM15V00021S095 | PIN | 2 |
| PM15V00021R100 | REPAIR KIT; CONSISTS OF REF. 2(2), 25(1), 28(2), 31(1), 48(1), 49(1), 50(1), 51(1), 55(1), 56(4), 62(2), 72(4), 83(2), 84(3), 85(1), 93(2) | 1 | |
| PM15V00021R200 | REPAIR KIT; CONSISTS OF REF. 34(1), 35(1), 36(1), 37(1), 38(1), 39(3), 40(1), 41(1), 42(9) | 1 | |
| PM15V00021R300 | REPAIR KIT; CONSISTS OF REF. 57(1), 58(1), 59(1), 60(1), 61(1), 62(1), 68(1) | 1 | |
| PM15V00021R400 | REPAIR KIT; CONSISTS OF REF. 78(1), 79(1), 80(2), 81(2), 82(2), 83(2), 84(3), 85(1) | 1 |
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