Caterpillar Performance Handbook, January 2017, SEBD0351-47

Appendix D ● Transmission Specifications

On-Highway Trucks

Gear Ratios R4 R3 R2 R1 F1 F2 F3 F4 F5 F6

Feature Code

CT660 8x6 122 BBC Speeds Rated lbf-ft

Cat CX31 Automatic

CT681 6x4 114 BBC x x x

CT680 6x4 124 BBC

CT660 6x4 116 BBC

CT660 6x4 122 BBC

CT660 4x4 122 BBC

CT660 6x6 122 BBC

CT680 8x6 124 BBC x x x 6 1900 CT660 8x6 116 BBC

0013CZY CX31 with Retarder for CT13 Engines

3.97 *4.4 *2.2 1.53 1.00 0.72 0.61 3.97 *4.4 *2.2 1.53 1.00 0.72 0.61

0013CZZ CX31 for CT13 Engines

x x x x x x x x x 6 1900

*Multiply 1st and 2nd by 1.9 to account for torque converter. Torque converter locks up at 75% of 2nd gear speed range.

Gear Ratios R4 R3 R2 R1 F1 F2 F3 F4 F5 F6 F7 2.80 13.75 12.69 9.29 6.75 4.90 3.62 2.64 1.90 2.72 12.12 11.06 8.19 6.05 4.46 3.34 2.48 1.83 2.80 13.75 12.69 9.29 6.75 4.90 3.62 2.64 1.90 2.89 9.85 15.22 14.56 9.42 6.24 4.63 3.40 2.53 1.83 2.80 13.75 12.69 9.29 6.75 4.90 3.62 2.64 1.90 2.80 13.75 12.69 9.29 6.75 4.90 3.62 2.64 1.90 2.80 13.75 12.69 9.29 6.75 4.90 3.62 2.64 1.90 2.89 9.85 15.22 14.56 9.42 6.24 4.63 3.40 2.53 1.83 3.43 13.03 20.84 26.08 16.30 11.85 7.41 5.23 3.79 2.77 3.43 13.03 20.84 26.08 16.30 11.85 7.41 5.23 3.79 2.77 3.50 13.22 12.31 8.64 6.11 4.43 3.23 2.29 1.95 3.50 13.22 12.31 8.64 6.11 4.43 3.23 2.29 1.95 3.50 13.22 12.31 8.64 6.11 4.43 3.23 2.29 1.95 3.50 13.22 12.31 8.64 6.11 4.43 3.23 2.29 1.95 2.17 7.73 13.14 13.31 10.20 7.88 6.07 4.77 7.83 6.00

Feature Code

CT660 8x6 122 BBC Speeds Rated lbf-ft

Eaton Manual Air Shift

CT681 6x4 114 BBC

CT680 6x4 124 BBC

CT660 6x4 116 BBC

CT660 6x4 122 BBC

CT660 4x4 122 BBC

CT660 6x6 122 BBC

CT680 8x6 124 BBC

CT660 8x6 116 BBC x 10 1350

0013GHC Fuller FRO-13210C 0013GHJ Fuller FR-14210B 0013GHL Fuller FRO-14210C 0013GGV Fuller FRO-12210C 0013GHP Fuller FR0-15210C 0013GHS Fuller FRO-16210C

x

x

x x x x x x x x x x x x

10 1450

x 10 1450

0013GHW Fuller RTO(F)-14908LL x x x x x x

10 1450 10 1550

x

x

x x x x

x x x 10 1550

x x x x x x x x x 10 1650

0013GHX Fuller RTO(F)-16908LL x x x x x x 0013GMZ Fuller RTO(F)-14909ALL x x x x x x

10 1650 11 1450

0013GNA Fuller RTO(F)-16909ALL x x x x x x x x x 11 1650

0013GRD Fuller RTLO(F)-12913A x x x x x x

13 1250 13 1450 13 1650 13 1850

0013GRE Fuller RTLO(F)-14913A

x x

0013GKJ Fuller RTLO(F)-16913A x x x x 0013GJS Fuller RTLO-18913A x x x x

0013GHY Fuller RTO(F)-16915

x x x x

x x x 15 1650

0013GKL Fuller RTLO(F)-16918B x x x x 0013GKM Fuller RTLO(F)-18918B x x x x

x x x 18 1650 3.43 4.03 12.85 15.06 14.40 12.29 8.56 7.30 6.05 5.16 4.38

x x x 18 1850 3.43 4.03 12.85 15.06 14.40 12.29 8.56 7.30 6.05 5.16 4.38 0013GNM Fuller RTLOF-20918B x x x x x x x x x 18 2050 3.43 4.03 12.85 15.06 14.40 12.29 8.56 7.30 6.05 5.16 4.38 Chart continued on next page.

12-32 Edition 47