1, caterpillar size (number and type of bandwidth X pitch X chain)
2. Application machine
3. Operating conditions (speed, mode, site)
4. Machine net / gross weight (gross weight includes driver, spare parts, etc. if it is a heavy truck, it should include the maximum load)
5. Maximum pull rod pulling force
6. Machine chassis layout
A, driving wheel root diameter (D) or node diameter P-C-D (DO), drive gear number
B, if P-C-D chain roller diameter (d)
C, drive wheel width (W1)
D, laziness wheel width (W2)
E, the diameter of the idler wheel (D1, D2)
F, caterpillar roller type (A, B, C)
G, crawler roller diameter (D3, D4)
H, crawler roller width (W3, W4)
L, standard center to center length (L) and wheel system arrangement
J, inert wheel length
7. The shape of the rubber crawler
If you have difficulty to write all items, it needs a minimum of 2, 4, 1, 6 (A, B, C, H)