Product Description
Bulldozer lower track roller for Komatsu D65PX-12 D65EX-12/15 D85ESS-2 crawler equipment spare parts replacement.
Our Komatsu D65PX-12 Track Roller (Bottom Roller / Lower Roller) is a heavy-duty aftermarket undercarriage component designed as a direct OEM replacement for Komatsu D65PX-12 crawler bulldozers. Available in single flange and double flange models, this track roller adopts high-strength forged steel and deep quenching technology, featuring excellent wear resistance, impact resistance and leak-proof performance. It fully adapts to harsh working conditions such as mining, earthmoving, road construction and muddy terrain, providing stable load-bearing support and long service life for Komatsu D65PX-12 dozers.
OEM Part Number & Compatibility
|
Roller Type
|
OEM Part Number
|
Cross Reference Number
|
Compatible Equipment
|
|---|---|---|---|
|
Single Flange Track Roller
|
14X-30-00082
|
14X-30-00081, 14X-30-14100, KM2101
|
Komatsu D65PX-12 Crawler Dozer
|
|
Double Flange Track Roller
|
14X-30-00092
|
14X-30-00570, 14X-30-00578, KM2102
|
Komatsu D65PX-12 Crawler Dozer
|
Compatible Extended Models: Komatsu D65E-12, D65EX-12, D65EX-15, D65PX-15, D70LE-12, D85ESS-2A Bulldozers
Exact Dimension & Weight Specifications
|
Technical Item
|
Specification Data
|
|---|---|
|
Roller Outer Diameter
|
Φ240.5 mm
|
|
Roller Working Width
|
195 mm
|
|
Total Assembly Length
|
400.5 mm
|
|
Center Shaft Diameter
|
Φ65 mm
|
|
Mounting Hole Diameter
|
Φ19 mm
|
|
Flange Outer Diameter
|
320.5 mm
|
|
Roller Hub Thickness
|
114 mm
|
|
Hardened Layer Depth
|
8–12 mm
|
|
Single Flange Roller Weight
|
54 KG / Piece
|
|
Double Flange Roller Weight
|
65 KG / Piece
|
Material & Heat Treatment Standards
- Roller Body Material: High-strength 50Mn alloy steel forging, integrated forming, high load-bearing capacity and impact resistance
- Center Shaft Material: 40Mn2 quenched alloy steel, high rigidity, not easy to deform or break under heavy load
- Bushing Material: High wear-resistant alloy copper bushing, reducing friction and extending service life
- Surface Hardness: HRC 52–58, medium-frequency deep surface quenching process
- Heat Treatment Process: Integral quenching + tempering treatment, uniform hardness, effectively resisting abrasive wear from sand and rock
- Surface Treatment: Precision sandblasting + Komatsu standard yellow anti-rust paint, anti-corrosion and anti-oxidation
Sealing System Technical Parameters
- Sealing Structure: Multi-layer floating oil seal assembly, professional heavy-duty machinery sealing solution
- Seal Material: Imported nitrile rubber + high-precision alloy wear ring
- Working Temperature Range: -30℃ to +85℃, adaptable to extreme cold and high-temperature construction environments
- Anti-Infiltration Performance: Fully blocks mud, sand, construction dust and groundwater infiltration
- Lubrication Cycle: Long-term stable lubrication, supporting up to 4000 working hours
- Quality Inspection: 100% hydraulic pressure leakage test before delivery, zero oil leakage guarantee
Working Performance & Quality Standards
- Maximum Single Bearing Load: Up to 50 tons, suitable for heavy-load mining and large-scale earthmoving operations
- Design Service Life: 4000–6000 working hours under standard construction conditions
- Certification: ISO9001 quality management system certified
- Fitment: 100% direct fit, no modification required, fully interchangeable with original OEM parts
- Warranty Policy: 12 months or 2000 working hours (whichever comes first)
Supply & Packaging Information
- MOQ: 1 piece available for sample and retail orders
- Stock Status: Mass in stock, ready for fast shipment
- Delivery Time: 24–72 hours for small orders; 7–15 working days for bulk orders
- Export Packaging: Standard export wooden pallet / carton packaging, shockproof and moisture-proof for long-distance ocean transportation
Product Parameters
|
Name |
Track roller/Lower roller/Bottom roller for bulldozer equipment |
|
Moving Type |
Crawler excavator and bulldozer and loader |
|
Type |
Bulldozer undercarriage parts |
|
Process |
forging |
|
Hardness Depth |
8-12mm |
| Surface Hardness |
HRC52-58 |
| Material | 50MnB |
| Minimum Order Quantity |
5 Piece/Pieces |
| Port |
Xiamen Port |
| Warranty |
12 months |
| Supply Ability |
100000 Piece/Pieces per Month |
| Packaging Details |
Standard export fumigated wooden pallet |
| Delivery Detail |
Within 30 days after contract established |
| Payment Terms | L/C,T/T,Western Union,MoneyGram |
Why Choose us?
Good lubricated oil recycle system
Deep hardened wear surface
High hardness: HRC52-58, depth: 8mm-12mm
Good bronze bushings
Strict Quality Control
OEM mounting dimension
Certificated by ISO9001:2008
Produce as per client's samples, designs and drawings
Komatsu Undercarriage Track Roller List
Rollers (CR = Carrier Roller, SF = Single Flange Track Roller, DF = Double Flange Track Roller)
| Application | OEM Part No. | Pos | Alternative No. | Berco No. | ITM Ref | Notes |
|---|---|---|---|---|---|---|
| Komatsu Bulldozers | ||||||
| D40, D50 | 140-30-00053 | SF | 131-30-000343 | KM859 | A4060000M00 |
|
| 140-30-00063 | DF | 131-30-000353 | KM860 | B4060000M00 |
|
|
| 141-30-00073 | CR |
|
KM103 | C4060100M00 |
|
|
| D65 | 141-30-00575 | SF | 141-30-00576, -00578 | KM868 | A4065000M00 |
|
| 141-30-00585 | DF | 141-30-00586, -00588 | KM869 | B4065000M00 |
|
|
| 141-30-00563 | CR | 141-30-00565, -00568 | KM118 | C40651A0M00 |
|
|
| D65E-12 D65EX-12 | 14X-30-00081 | SF | 14X-30-00082, -14100 | KM2101 | A40650E0M00 |
|
| 14X-30-00091 | DF | 14X-30-00092, -14200 | KM2102 | B40650E0M00 |
|
|
| 14X-30-00142 | CR | 14X-30-00140, -00141 | KM2105 | C40651E0M00 |
|
|
| D85 | 155-30-00126 | SF | 155-30-00250, -00127 | KM351 | A40850A0M00 |
|
| 155-30-00116 | DF | 155-30-00240, -00117 | KM353 | B40850A0M00 |
|
|
| 155-30-00233 | CR | 155-30-00232, -00234 | KM120 | C40851A0M00 |
|
|
| D155-1 D155-2 | 175-30-00760 | SF | 175-30-00484, -00489 | KM122 | A4015000M00 |
|
| 175-30-00770 | DF | 175-30-00494, -00499 | KM123 | B4015000M00 |
|
|
| 175-30-00515 | CR | 175-30-00517, -00471 | KM124 | C40151G0M00 | Also D155AX-3 | |
| D155-3 D155AX-3 | 17A-30-00070 | SF |
|
KM2265 | A40159D0M00 |
|
| 17A-30-00080 | DF |
|
KM2266 | B40159D0M00 |
|
|
| D355 | 195-30-00335 | SF | 195-30-00336 | KM926 | A4035000M00 |
|
| 195-30-00345 | DF | 195-30-00346 | KM927 | B4035000M00 |
|
|
| 195-30-00105 | CR | 195-30-00106 | KM578 | C4035100M00 |
|
|
| D275 | 17M-30-00220 | SF |
|
|
|
|
| 17M-30-00230 | DF |
|
|
|
|
|
| 195-30-00580 | CR |
|
KM2160 |
|
Also PC650-5 | |
| D375A-1 | 195-30-00562 | SF | 195-30-00561 | KM1039 |
|
|
| 195-30-00572 | DF | 195-30-00571 | KM1040 |
|
|
|
| 195-30-00580 | CR |
|
|
|
|
|
| D375A-2/3 | 195-30-01051 | SF | 195-30-01011, -01010 | KM1272 | A4037000M00 |
|
| 195-30-01061 | DF | 195-30-01021, -01020 | KM1279 | B4037000M00 |
|
|
| 195-30-01041 | CR | 195-30-01040 | KM1281 | C4037100M00 |
|
|
| Komatsu Excavators | ||||||
| PC60-5/ 6 | 201-30-00290 | SF | 201-30-00291 | KM1690 |
|
|
| PC75, PC95 (B1) | VA380 | SF |
|
VA380 | A14010B1M00 |
|
| B14010B1M00 | DF |
|
|
B14010B1M00 |
|
|
| PC100-120 FAI | 203-30-00222 | SF | 20E-30-K1580 | KM1705 | A40120A0M00 |
|
| PC120-5 | 203-30-00230 | CR | 203-30-00150 | KM2794 | C4012000M00 |
|
| PC200-2/3/5/6 PC220-2/3/5/6 PC210-6 | 205-30-K1200 | CR | 20Y-30-00021, -00022 | KM1640 | C40201A0M00 |
|
| 205-30-00171 | SF | 205-30-00172, -76101 20Y-30-00130 | KM1179 | A40200F0M00 | PC200-2 & PC220-2 | |
| 20Y-30-00011 | SF | 20Y-30-00112, 20Y-30-00014 | KM1428 | A40200E0M00 | PC200-3/5/6 PC220-3/5/6 PC210-6 | |
| PC300-3/5 | 207-30-15102 | CR | 208-30-00320 207-30-K1800, -16102 207-30-00140 | KM1817 | C40301B0M00 | & PC400-5 |
| 207-30-00150 | SF |
|
KM1429 | A40300B0M00 |
|
|
| PC400-3/5 | 208-30-00210 | SF |
|
KM1743 | A4040000M00 |
|
| PC650-5 | 209-30-00191 | SF | 209-30-00121 | KM2143 | - |
|
| PC1000 | 21N-30-00023 | SF |
|
KM2503 |
|
|
| 21N-30-00030 | CR |
|
|
- |
|
|
Production Show
Excavator and bulldozer roller material inspection
FAQ
What Xiamen Fortune Industrial Co.,Limited supply?
We mainly supply crawler excavator and dozer undercarriage parts, such as Track roller, Carrier roller, Sprocket, Idler,Recoil spring assy, Track chain, Track shoe, Track bolt&nut,Track chain guard, Excavator bucket,Bucket teeth&adaptor, Bucket Link,Cutting Edge and End Bits, Hydraulic Cylinder, Bucket pin&bush,Slewing Bearing, Long reach boom and arm, etc.
How to confirm the spare parts will fit our crawler excavator and dozer?
Please send us your excavator and dozer model name, part number, Berco number, or technical drawings and dimensions.
How about the construction machinery excavator and dozer undercarriage parts Quality Control?
We have an excellent QC system, will inspect every production process,quality and specification, to be sure best quality and correct size, untill packages finished and loaded into container.
What is payment term?
TT, L/C, Paypal, Western Union, other payment term also can be negotiated.
