J21S Usoro Ike Akpịrị Miri-Mmiri, Igwe Mpịakọta Atụmatụ:
J21S usoro izugbe miri-akpịrị pịa
Mmụba nke akpịrị na ebe ọrụ.
Na-anabata crankshaft e tinyere n'usoro.
Njikọ njikọ siri ike nke a na-agbagharị agbagharị.
Nhazi elu mkpọchi aka yana ngosipụta nha.
Ụdị nwere "A" nke e tinyere ngwaọrụ nkwụsị mberede, nke nwere ike ime ka mmịfe ahụ kwụsị na 0°~Mpaghara 135° ma nweekwa ihe nchebe ákwà mgbochi ọkụ.
Nkọwapụta:
| NLEZI | J21S-6.3 | J21S-10 | J21S-16 | J21S-25A | J21S-40A | |
| Ike | kN | 63 | 100 | 160 | 250 | narị anọ |
| Ike Aha | mm | 2 | 2 | 2 | 2.5 | 4 |
| Mkpọchi slide | mm | 35 | 60 | 70 | 80 | 120 |
| SPM | nkeji-1 | 170 | 145 | 125 | 60 | 55 |
| Ogologo kachasị elu nke anwụ | mm | 110 | 130 | 170 | 180 | 220 |
| Mgbanwe Elu nke Die | mm | 30 | 35 | 45 | 70 | 80 |
| N'etiti Ebe Mbugharị na Frame | mm | 700 | 700 | 700 | 700 | 700 |
| Bolster (FB×LR) | mm | 200 × 310 | 240 × 360 | 320 × 480 | 400 × 600 | 480×700 |
| Mmalite nke oghere (Dia nke oghere elu. ×Dpth ×Dia nke oghere dị ala.) | mm | Φ60 | Φ120×20×Φ100 | Φ100 | Φ120 | Φ220 × 25 × Φ180 |
| Ọkpụrụkpụ nke ihe mkpuchi | mm | 40 | 50 | 60 | 70 | 80 |
| Mmalite Bolster (Dia.×FB×LR) | mm | Φ140×110×160 | Φ130×90×180 | Φ210 × 160 × 240 | 200 × 200 | 200 × 240 |
| Mpaghara Mmịfe (FB×LR) | mm | 120 × 140 | 150 × 170 | 180 × 200 | 210 × 250 | 270×320 |
| Oghere Nkịta (Dia.×Dpth) | mm | Φ30×55 | Φ30×55 | Φ40×60 | Φ40×70 | Φ50×70 |
| N'etiti Ogidi | mm | 162 | 182 | 220 | 350 | 390 |
| Ike moto | kW | 0.75 | 1.1 | 1.5 | 2.2 | 4 |
| Nha ndepụta (FB×LR×H) | mm | 1540×700×1525 | 1620 × 730 × 1800 | 1680×840×1880 | 1790×990×2288 | 1965 × 1180 × 2295 |