Special discounts – save up to 25%! Don’t miss out on great deals. Check Special Discounts

SALE PRICES & FREE SHIPPING (Lower 48 States Only) on select items. Ends December 15, 2025

CAT MM40CR Excavator Tracks, Sprockets, Rollers

Primary Fitment: 400x72.5Wx72
Steel Fitment: CH135-51-72-38L

Number of Steel Links: 38
Steel Link Type: CH135-51-72

refine
CAT MM40CR 400mm Bolt On Pad BO135-400
SAVE 10 %
cat mm40cr 400mm bolt on pad bo135-400

CAT MM40CR 400mm Bolt On Pad BO135-400

$13.00 $11.70
CAT MM40CR 400mm Hybrid Pad 135-51-72-400
SAVE 10 %
cat mm40cr 400mm hybrid pad 135-51-72-400

CAT MM40CR 400mm Hybrid Pad 135-51-72-400

$51.00 $45.90
CAT MM40CR Set of 2 16" Heavy Duty Block Tread Rubber Tracks (400x72.5Wx72)
SAVE 10 %
cat mm40cr set of 2 16" heavy duty block tread rubber tracks (400x72.5wx72)

CAT MM40CR Set of 2 16" Heavy Duty Block Tread Rubber Tracks (400x72.5Wx72)

$2,980.00 $2,682.00
CAT MM40CR Set of 2 16" Extreme Duty MX Tread Rubber Tracks (400x72.5Wx72)
SAVE 10 %
cat mm40cr set of 2 16" extreme duty mx tread rubber tracks (400x72.5wx72)

CAT MM40CR Set of 2 16" Extreme Duty MX Tread Rubber Tracks (400x72.5Wx72)

$2,980.00 $2,682.00

Looking for top quality OEM CAT replacement rubber tracks, rollers, sprockets, and other undercarriage parts for your model CAT mm40cr Excavator, well look no further. We offer top quality brand name rubber tracks from Bridgestone, Camso, TNT, Arisun and more. Choose from a variety of tread patterns including Block, C-Tread, Multi-Bar and Sawtooth.