ENGINE AR- 0R3380 - Caterpillar

Table 71
Model D3K2 D4K D4K2 D4K D4K D4K
Part Number of Link Assembly 289-3059 244-1602 260-6748 260-6743
Number of Sections 36 34 38 38
Pitch 175.41 mm (6.91 in.) 175.41 mm (6.91 in.) 175.41 mm (6.91 in.) 175.41 mm (6.91 in.)
Minimum Assembly Force 18 kN (2.0 tons) 18 kN (2.0 tons) 18 kN (2.0 tons) 18 kN (2.0 tons)
Maximum Assembly Force 49 kN (5.5 tons) 49 kN (5.5 tons) 49 kN (5.5 tons) 49 kN (5.5 tons)
Standard Link Part Number 260-6740 233-5188 260-6740 260-6740
Protrusion of Pin 3.10 0.10 mm (0.122 0.004 in.) 3.10 0.10 mm (0.122 0.004 in.) 3.10 0.10 mm (0.122 0.004 in.) 3.10 0.10 mm (0.122 0.004 in.)
Standard Spacing of Bolt Holes 94.50 0.39 mm (3.721 0.015 in.) 94.50 0.39 mm (3.721 0.015 in.) 94.50 0.39 mm (3.721 0.015 in.) 94.50 0.39 mm (3.721 0.015 in.)
Spacing of Clamp-master Bolt Holes 94.50 0.39 mm (3.721 0.015 in.) 94.50 0.39 mm (3.721 0.015 in.) 94.50 0.39 mm (3.721 0.015 in.) 94.50 0.39 mm (3.721 0.015 in.)
Bolt Size M16x1.5 M16x1.5 M16x1.5 M16x1.5
Clamp-master Track Bolt Initial Torque 225 25 N m (165.9 18.44 lb ft) 225 25 N m (165.9 18.44 lb ft) 225 25 N m (165.9 18.44 lb ft) 225 25 N m (165.9 18.44 lb ft)
Track Bolt Initial Torque 145 25 N m (106.9 18.44 lb ft) 145 25 N m (106.9 18.44 lb ft) 145 25 N m (106.9 18.44 lb ft) 145 25 N m (106.9 18.44 lb ft)