Cat 302.5 303.5 303CR Roller 185-7280

These are the aftermarket bottom roller for the following mini excavator models:

• Caterpillar^® 302.5
• Caterpillar^® 303.5
• Caterpillar^® 303CR
• Mitsubishi MM 25
• Mitsubishi MM35

The Caterpillar^® 302.5 takes six track rollers, but the 303.5 and 303CR require eight track rollers. These Caterpillar^® track rollers do not come with the 10mm bolts required for installation.

This is a single flange roller that is 4 3/4 inches in diameter when new.

We offer same-day shipping at no extra charge.

Cat 302.5 Undercarriage

• Idler 140-4009 or 172-2017 (must verify serial and specs)
• Sprocket146-4022
• Top Roller 146-6064
• Bottom Roller 185-7280

Cat 303.5 Undercarriage

• Idler 140-4009 or 172-2017 (must verify serial and specs)
• Tension Idler 172-2017
• Sprocket 172-1965
• Top Roller 146-6064
• Bottom Roller 185-7280