中文
PC15-3 Mini Excavator Travel Motor Final Drive Assembly (Nachi PHV-1B Type OEM 22J-60-16101 20N-60-73106)
Place of Origin:China
Brand Name:HanRui
Model Number:PC15-3
Product Description
Mini Excavator Undercarriage & Drivetrain
HanRui PC15-3 Hydraulic Travel Motor & Final Drive Assembly (Nachi PHV-1B Type)
Precision-engineered OEM replacement for 1.5-ton mini excavators. Powered by the proven Nachi PHV-1B dual-speed axial piston motor coupled with a heavy-duty planetary gear reduction box (Cross Ref: 22J-60-16101 / 20N-60-73106). Delivers massive tractive effort, smooth steering, and leak-free reliability under demanding trenching conditions.
⚙️ Motor Model: Nachi PHV-1B / PH-100N 🛡️ 2-Speed High/Low Shifting 🛢️ Pre-Filled with Extreme Pressure Gear Oil
Wholesale Price
$580 – $1,350 USD/Unit
Direct factory price — complete track motor with gearbox
MOQ & Dispatch
1 Unit (In Stock)
Fast worldwide express air freight in 1–3 business days
Quality Assurance
12 Months
100% dynamometer torque & seal pressure tested
High-Torque Drivetrain Engineering Highlights
⚡ Nachi PHV-1B Piston Mechanism
Features a high-efficiency swash-plate axial piston group, ensuring rapid acceleration, stable climbing torque, and smooth 2-speed auto downshifting.
🛡️ Dual Heavy-Duty Floating Seals
Fitted with precision-lapped metal face mechanical seals (Duo-Cone) to permanently block mud, grit, and abrasive slurry from entering the gear cavity.
🔩 Carburized Planetary Gears
Sun gears and planet pinions forged from 20CrMnTi alloy steel with multi-stage heat treatment, delivering extreme tooth shear resistance.
Technical Specifications & Motor Fitment Matrix
| Applicable Machine Models | PC15-3, PC15-2, PC15MR-3 (1.5–1.8 Ton Mini Excavator) |
| Original Motor Type / Model | Nachi PHV-1B Series / PH-100N (2-Speed Axial Piston Motor) |
| Cross-Reference OEM Numbers | 22J-60-16101, 20N-60-73106, 20N-60-42200, 20C-60-32600 |
| Sprocket & Frame Bolt Pattern | Standard 9-Hole Sprocket / 9-Hole Frame Flange (8-hole variants available) |
| Max Working Pressure | 21.0 MPa ~ 24.5 MPa (210 – 245 Bar) |
| Hydraulic Port Configuration | 3 or 4 Ports (Main Forward, Main Reverse, Case Drain, 2-Speed Pilot) |
| Assembly Status | Complete plug-and-play assembly (Motor + Planetary Gearbox + Oil) |
PC15-3 Travel Motor & Final Drive Field Diagnostic Guide
Fault 1: Weak Travel Torque on One Side / Excavator Drifts Off Course
Root Cause: Scoring or excessive clearance between the piston cylinder block and the valve plate inside the hydraulic motor, causing severe high-pressure oil bypass.
Field Remedy: Replace the damaged unit with a brand-new HanRui PC15-3 (PHV-1B) travel motor assembly to restore balanced tracking.
Field Remedy: Replace the damaged unit with a brand-new HanRui PC15-3 (PHV-1B) travel motor assembly to restore balanced tracking.
Fault 2: Gear Oil Leaking from the Sprocket Rim Hub
Root Cause: Mechanical face floating seal (Duo-Cone) failure caused by entangled wire/packing materials, allowing planetary gear lube to escape and dirt to enter.
Field Remedy: Inspect immediately; if planetary bearings or gears are seized from oil starvation, replace the complete final drive unit.
Field Remedy: Inspect immediately; if planetary bearings or gears are seized from oil starvation, replace the complete final drive unit.
Fault 3: Two-Speed Shifting Inoperative (Stuck in Low or High Speed)
Root Cause: Jammed speed-shift control spool or blocked 2-speed pilot line pressure signal failing to stroke the motor swash plate angle.
Field Remedy: Verify pilot pressure at the shift port (3.5–4.0 MPa). If pilot pressure is normal, replace the travel motor head.
Field Remedy: Verify pilot pressure at the shift port (3.5–4.0 MPa). If pilot pressure is normal, replace the travel motor head.
Frequently Asked Questions (FAQ)
Q: Is this a complete final drive unit or just the hydraulic motor?
A: It is a 100% complete travel device. It includes the hydraulic piston drive motor, the multi-stage planetary gearbox, heavy-duty mechanical floating seals, and comes pre-filled with gear oil.
Q: How do I verify bolt holes and sprocket fitment for my PC15-3?
A: PC15-3 most commonly uses a 9-hole sprocket and 9-hole frame flange. Simply count the bolts on your sprocket and frame, or send us a quick photo of your hub to confirm exact 100% fitment.
Q: Will this motor support the original 2-speed travel function?
A: Yes. The HanRui PC15-3 travel motor fully supports high/low two-speed shifting via your excavator's cab switch or automatic downshift pedal.
Need a Replacement Final Drive for Your PC15-3 Mini Excavator?
Provide your machine serial number or sprocket bolt count for immediate fitment confirmation, express delivery rates, and wholesale quotes.
Request Instant Quote & Delivery Time
You May Also Like
EX120-5 EX130-5 ZX120 4BG1T 8-97100-388-0 Isuzu 4BG1 Complete Diesel Engine Assembly Compatible with Isuzu Hitachi JCB
Factory-direct wholesale Isuzu 4BG1 4BG1T complete diesel engine assembly (OEM 8-97100-388-0 / 110001810) for Hitachi EX120-5 & ZX120 excavators. Direct Price: $3,800–$6,500 USD (Save 50% vs dealers). 100% dyno tested, 12-month warranty!
SK120-3 SK120-5 SH120-2 MSG-85P YN15V00001F1 KYB MSG-85P Slewing Swing Motor Assembly Compatible with Kobelco Sumitomo Kato
Factory-direct wholesale KYB MSG-85P slewing swing motor assembly (OEM YN15V00001F1 / 18251-09000) compatible with Kobelco SK120-5 & Sumitomo SH120. Direct Price: $2,200–$4,200 USD (Save 50% vs dealers). 100% bench tested, 12-month warranty!
SK330-8 SK350-8 LQ10V00018F1 LC10V00018F1 K3V180DT Hydraulic Main Pump Assembly Compatible with Kobelco
Factory-direct wholesale SK330-8 SK350-8 hydraulic main pump (OEM LQ10V00018F1 / K3V180DT) compatible with Kobelco excavators. Direct Price: $4,500–$8,200 USD (Save 50% vs dealers). 100% bench tested, 12-month warranty!
ZAX200-3 ZX200-3 4653603 4642948 Multi-Way Hydraulic Main Control Valve Assembly Compatible with Hitachi
Factory-direct wholesale ZAX200-3 ZX200-3 main control valve assembly (OEM 4653603 / 4642948) compatible with Hitachi excavators. Direct Price: $2,800–$4,800 USD (Save 50% vs dealers). Solve boom dropping & spool sticking. 100% bench tested!
Contact Us
You Can Contact Us At Anytime!
