| Item | Part No. | Part Name | Qty | Serial No. |
| 20G-68-11131 | BRAKE VALVE ASS'Y | 2187- | ||
| \0\20G-68-11130 | BRAKE VALVE ASS'Y | 1601-2186 | ||
| 20G-68-18250 | TREADLE ASS'Y | 1601- | ||
| THE NABCO PART NUMBER IS THAT NA IS REMOVED FROM KOMATSU PART NUMBER LISTED BELOW. | ||||
| 1 | \6\ | TREADLE | 2187- | |
| 20G-68-19160 | TREADLE | 1601-2186 | ||
| 2 | 20G-68-19210 | ROLLER | 1601- | |
| 3 | 20G-68-19181 | PIN | 2187- | |
| 20G-68-19180 | PIN | 1601-2186 | ||
| 4 | 20G-68-19190 | PIN,COTTER | 1601- | |
| 5 | \6\ | PIN,COTTER | 1601- | |
| 6 | \6\ | PIPE | 1601- | |
| 7 | \6\ | SCREW,SET | 1601-2186 | |
| 8 | \6\ | NUT | 1601-2186 | |
| 9 | 20G-68-19130 | PLATE | 1601- | |
| 10 | 20G-68-19141 | PLUNGER | 2187- | |
| 20G-68-19140 | PLUNGER | 1601-2186 | ||
| 11 | \6\ | BOOT,PLUNGER (K6) | 1601- | |
| 12 | 20G-68-19170 | COVER | 1601- | |
| 13 | \6\ | BOLT AND WASHER | 1601- | |
| 20G-68-19100 | BASIC ASS'Y | 1601- | ||
| 14 | \6\ | BODY | 1601- | |
| 15 | \6\ | FILTER,VENT (K6) | 1601- | |
| 20G-68-18100 | VALVE ASS'Y | 1601- | ||
| 16 | \6\ | RETAINER | 1601- | |
| 17 | \6\ | SPRING,VALVE (K6) | 1601- | |
| 18 | 20G-68-18120 | SPRING | 1601- | |
| 19 | \6\ | VALVE | 1601- | |
| 20 | \6\ | O-RING (K6) | 1601- | |
| 21 | \6\ | SEAT (K6) | 1601- | |
| 22 | \6\ | O-RING (K6) | 1601- | |
| 23 | \6\ | DIAPHRAGM (K6) | 1601- | |
| 24 | \6\ | WASHER | 1601- | |
| 25 | 20G-68-18170 | SCREW AND WASHER | 1601- | |
| 26 | \6\ | WASHER | 1601- | |
| 27 | 20G-68-18180 | RING,SNAP | 1601- | |
| 28 | \6\ | SPRING (K6) | 1601- | |
| 20G-68-19120 | PISTON ASS'Y | 1601- | ||
| 29 | \6\ | PISTON | 1601- | |
| 30 | 20G-68-18210 | SCREW | 1601- | |
| 31 | \6\ | WASHER | 1601- | |
| 32 | \6\ | SEAT,SPRING | 1601- | |
| 33 | \6\ | RUBBER (K6) | 1601- | |
| 34 | \6\ | O-RING (K6) | 1601- | |
| 35 | \6\ | SPACER | 1601- | |
| 36 | \6\ | SCREW | 1601- |