| ITEM | Vehicle No. | Engine No. | OEM NO. | Cylinder No. | Dia. (MM) | Ring Groove (MM) | Feature | Agenuine No. | Remark |
| 1 | HINO | W06D | 13011-1983
13011-2420
13011-2440
RIK:15010 | 6 | 104 | 1-2.50×4.30
2-2.00×4.30
3-5.00×3.20 | FX | JHOR104X3-1 | |
| 2 | HINO | W04D | 13011-1973
RIK:15011 | 4 | 104 | 1-2.50×4.30
2-2.00×4.30
3-5.00×3.20 | FX | JHOR104X3-2 | |
| 3 | HINO | EH700 | 13011-1610
13011-1620
RIK:15170 | 6 | 110 | 1-3.00
2-2.50
3-2.50
4- | | JHOR110X4-3 | |
| 4 | HINO | DS50 | 13011-1230
13011-1261
13011-1830
13011-1680
RIK:15730 | 6 | 110 | 1-3.00
2-3.00
3-3.00 | FO | JHOR104X5-4 | |
| 5 | HINO | H07CT | 13011-2672
RIK:15167 | 6 | 110 | 1-2.80K
2-2.00
3-2.50 | FM | JHOR110X4-5 | |
| 6 | HINO | J08C-T | 13011-3820
13011-3570
13011-3870
RIK:15284 | 6 | 114 | 1-2.50
2-2.00
3-4.00 | SM | JHOR114X4-6 | |
| 7 | HINO | EB100 | 13011-1300
13011-1310
13011-1690
RIK:15790 | 6 | 115 | 1-3.50
2-3.00
3-3.00 | FO | JHOR115X5-7 | |
| 8 | HINO | EL100 | 13011-1700
RIK:15910 | 6 | 116 | 1-3.00
2-2.50
3-2.50 | FX | JHOR116X4-8 | |
