Double Grouser
For loaders working in both soft and hard ground conditions.
Good traction with less damage.
Greater manoeuvrability with horter spikes.
| S/N | Specification | Linear Weight (kg/m) | Main Dimensions (mm) |
| Link Pitch | H | L | T |
| 1 | D101 | 7.44 | 101 | 16.5 | 109 | 5.5 |
| 2 | D101A | 8.47 | 101 | 16.5 | 109 | 6 |
| 3 | D101B | 9 | 101 | 16.5 | 110 | 6.5 |
| 4 | D172.5 | 26.17/28.39 | 172.5 | 31 | 202 | 11.5/13 |
| 5 | D175 | 30.38 | 175 | 37.5 | 207 | 13 |
| 6 | D190.5 | 33.04 | 190.5 | 35 | 217 | 13 |
| 7 | D203 | 40.09 | 203 | 42 | 235 | 14.5 |
| 8 | D216 | 50.17 | 216 | 49 | 251(252) | 15.5 |
| 9 | D216A | 45.4 | 216 | 38.1 | 246.6 | 15.7 |
| 10 | D216B | 48.12 | 216 | 37 | 250 | 16.5 |
| 11 | D228 | 66.35 | 228 | 46 | 261 | 25 |
| 12 | D258.5 | 71.9/80.17 | 258.5 | 49.5 | 308 | 21/25 |
| 13 | D260 | 73.7/80.78 | 260 | 50 | 306 | 20.5/23.5 |
| 14 | D260 | 66.4/68.7/80.6 | 260 | 50 | 302 | 19/20/25 |
| 15 | D260 | 73.11/79.04 | 260 | 50 | 302 | 21/23.5 |
| 16 | D260 | 71.82/75.32 | 260 | 48 | 306 | 20.5/22 |
| 17 | D280 | 104.12 | 280 | 50 | 330 | 35 |
Chemical Composition
Grade | Composition（%） |
C | Si | Mn | P | S | Cr | Ni | Cu | B | Ti | Als |
23MnBM | 0.21～0.26 | 0.15～0.30 | 0.80～1.10 | ≤ | ≤ | 0.10～0.20 | ≤ | ≤ | 0.0005～0.0030 | 0.01～0.05 | 0.01～0.07 |
0.03 | 0.015 | 0.25 | 0.25 |
25MnBM | 0.23～0.28 | 0.15～0.30 | 0.80～1.10 | ≤ | ≤ | 0.10～0.20 | ≤ | ≤ | 0.0005～0.0030 | 0.01～0.05 | 0.01～0.07 |
0.03 | 0.015 | 0.25 | 0.25 |
25CrMnBM | 0.23～0.28 | 0.17～0.37 | 1.10～1.40 | ≤0.030 | ≤0.020 | 0.30～0.50 | ≤0.20 | ≤0.25 | 0.015～0.065 | 0.0005～0.0035 | 0.030～0.065 |
Jominy Hardenability
National standard of GB/T225 applied, HRC with normalizing temperature at 900±10℃ and quenching temperature at 870±10℃.
| Grade | Depth (mm) |
| J1.5 | J11 | J13 | J25 |
| 25MnBM | 42-49 | 28-38 | -- | -- |
| 25CrMnBM | 46-52 | -- | ≥35 | ≤35 |