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Komatsu Machinery 6D95 Engine Series PC200-5/PC200-6 6207-31-2500 6204-31-2202
| Engine Type | Exhaust quantity C.C | Vehicle Model Chassis Type | NPR Catalog Code | Cyl No. | Position | Size(mm) | Shape | Mate rial | Surface Treatment | Reference | |||
| d 1 (D) | h 1 (B) | a 1 (T) | Outside | Upper /Lower | |||||||||
| S6D95 | 4,890 | Bulldozer | SDK04018ZX | 6 | 1st | 95.0 | 2.5 | 3.45 | BF-K1 | SR | Cr | Fe | 6207-31-2500 |
| Power Shovel | 2nd | 95.0 | 2.2 | 4.0 | T1-K2 | CR | Cr | Fe | |||||
| Oil | 95.0 | 4 | 4.15 | E-BC16 | SR | GN | GN | ||||||
| Bulldozer | SDK04023ZZ | 6 | 1st | 95.0 | 2.5 | 3.7 | BF-K1 | HB | Cr | Fe | 6209-31-2400 | ||
| Power Shovel | 2nd | 95.0 | 2.2 | 4.0 | T1-K1-IC | HB | Cr | Fe | |||||
| Oil | 95.0 | 4 | 4.15 | E-BC16 | SR | Cr | Fe | ||||||
| Bulldozer | SDK04032ZZ | 6 | 1st | 95.0 | 2.5 | 3.7 | BF-K1 | HB | Cr | Fe | 6207-31-2200(cyl) | ||
| Power Shovel | 2nd | 95.0 | 2 | 4.0 | T1-IC | CR | Fe | Fe | |||||
| Oil | 95.0 | 4 | 4.35 | E-BC16 | SR | GN | GN | ||||||
| 6D95 SA6D95 | 4,890 | Bulldozer | SDK04019ZZ | 6 | 1st | 95.0 | 2 | 4.0 | BF | CR | Cr | Fe | 6204-31-2202 |
| Power Shovel | 2nd | 95.0 | 2 | 4.0 | T1 | CR | Fe | Fe | |||||
| Oil | 95.0 | 4 | 4.15 | E-BC16 | SR | Cr | Fe | ||||||
| 6D95 | SDK04024ZY | 6 | 1st | 95.0 | 2.2 | 4.0 | BF-K2 | CR | Cr | Fe | 6202-32-2200 | ||
| 2nd | 95.0 | 2 | 4.0 | T1 | CR | Fe | Fe | ||||||
| Oil | 95.0 | 4 | 4.15 | E-BC16 | SR | GN | GN | ||||||
1. There are multiple sub models in the Komatsu Machinery 6D95 engine series, please differentiate according to OEM No. The piston ring size and shape of different models may vary;
2. The legend only uses two models, PC200-5/PC200-6, for comparison. Please check and select the specific differences and matching model sizes according to the details in the product manual;
3. The products are all produced by Japanese NPR accessory professional factories, with excellent quality and precise dimensions, which can be compared to the original factory manufacturing;
4. Please strictly follow the product manual and professional procedures for product installation
“NPR PISTON RING SET” Fitting Instruction
I. Install piston rings in the following order:
1,Thoroughly clean ring grooves of piston.
2,Fit the oil control -followed by compression rings in ascending order,into the ring grooves using a ring tool.
3, Take care to fit the rings with marked faces upward and toward top of the piston.
II.Confirmation that rings are fitted correctly:
1,Make sure rings can be moved freely - without jamming-in the piston grooves.
2,Make sure each ring gap is not positioned in line with piston pin axis or thrust
III.Installation of piston fitted with rings:
Always use an installation tool when inserting into cylinder.
Special instruction for fitting NPR NIFFLEX oil ring
1, Fit the expander of NIFFLEX oil ring into the ring groove by hand and ensure the ends butting together as shown in the illustration.
2,Hold with your thumb the expander at its butt ends. Fit the upper rail on to the expander with its gap approx.45° to the left,and the lower rail approx.45° to the right to the ends of expander.
