| Item | Part No. | Part Name | Qty | Serial No. |
| 20K-61-31111 | Cylinder Assembly | | H55300- |
| 1 | 20K-61-31560 | Cylinder | | H55300- |
| 2 | 20K-61-31550 | Rod, Piston | | H55300- |
| 3 | 20K-61-31540 | Piston | | H55300- |
| 4 | 20K-61-31530 | Guide | | H55300- |
| 5 | 20K-61-31520 | Spool, Control | | H55300- |
| 6 | 20K-61-31510 | Seat, Valve | | H55300- |
| 7 | 20K-61-31490 | Seat, Valve | | H55300- |
| 8 | 20K-61-31480 | Poppet, Valve | | H55300- |
| 9 | 20K-61-31470 | Bolt | | H55300- |
| 10 | 20K-61-31460 | Plug | | H55300- |
| 11 | 20K-61-31450 | Plug | | H55300- |
| 12 | 20K-61-31440 | Wiper, (Kit: K02) | | H55300- |
| 13 | 20K-61-31430 | O-Ring, (Kit: K02) | | H55300- |
| 14 | 20K-61-31420 | Ring, Wear, (Kit: K02) | | H55300- |
| 15 | 20K-61-31410 | O-Ring, (Kit: K02) | | H55300- |
| 16 | 20K-61-31390 | Ring, Back-Up, (Kit: K02) | | H55300- |
| 17 | 20K-61-31380 | O-Ring, (Kit: K02) | | H55300- |
| 18 | 20K-61-31370 | Ring, (Kit: K02) | | H55300- |
| 19 | 20K-61-31360 | O-Ring, (Kit: K02) | | H55300- |
| 20 | 20K-61-31350 | Ring, Back-Up, (Kit: K02) | | H55300- |
| 21 | 20K-61-31340 | Ring, Wear, (Kit: K02) | | H55300- |
| 22 | 20K-61-31330 | O-Ring, (Kit: K02) | | H55300- |
| 23 | 20K-61-31320 | Ring, Back-Up, (Kit: K02) | | H55300- |
| 24 | 20K-61-31310 | O-Ring, (Kit: K02) | | H55300- |
| 25 | 20K-61-31290 | Ring, Back-Up, (Kit: K02) | | H55300- |
| 26 | 20K-61-31280 | O-Ring, (Kit: K02) | | H55300- |
| 27 | 20K-61-31270 | Spring | | H55300- |
| 28 | 20K-61-31260 | Spring | | H55300- |
| 29 | 20K-61-31250 | Nut, Lock | | H55300- |
| 30 | 20K-61-31240 | Screw | | H55300- |
| 31 | 20K-61-31230 | Bearing | | H55300- |
| 32 | 20K-61-31220 | Nipple, Grease | | H55300- |
