Komatsu Excavator Thumb Kits

Image	Fits Model	Description	Details	Part #	Price	Product Details
	See Details	200-Series Excavators	Manual Bucket Thumb Kit	PV4700	From $5,701.00	View Info
	See Details	Case: 580K, 580SK, 580L, 580SL, 580M, 580SM, 580N, 580N, 590SN. FD-NH: 550, 555, 555B, 555C, 555D, 555E, 655, 655B, 655C, 655D, 655E, 675E, 575E, LB75, LB75B, LB90, LB90B, LB110, LB110B, B110, B110B, B90B, B95, B95B, B95C / John Deere: 310, 310A, 310	Mechanical Thumb Attachment (Heavy Duty)	PV4200	$2,465.00	View Info
	See Details	Excavators - 15,000 lbs to 22,000 lbs 12" to 40" Buckets	Mechanical Thumb	PV4300	$3,220.00	View Info
	See Details	Excavators - 15,000 lbs to 22,000 lbs 12" to 40" Buckets	Hydraulic Thumb	PV4301	$4,844.00	View Info
0	See Details	Excavators - 24,000 lbs to 36,000 lbs 18" to 50" Buckets	Mechanical Thumb	PV4500	$4,188.00	View Info
	See Details	Excavators - 24,000 lbs to 36,000 lbs 18" to 50" Buckets	Hydraulic Thumb	PV4501	$4,795.00	View Info
0	See Details	Excavators - 40,000 lbs to 46,000 lbs 24" to 58" Buckets	Mechanical Thumb	PV4600	$4,750.00	View Info
	See Details	Excavator Size: 40,000 lbs to 46,000 lbs \| 24" to 58" Buckets	Hydraulic Thumb Attachment	PV4601	$6,651.00	View Info

Mechanical and hydraulic thumb kits for Komatsu excavators, covering machines from 15,000 lbs up to 53,000 lbs across 70-Series, 120-Series, 160-Series, and 200-Series equipment. All thumbs are Made in USA and engineered for heavy-duty field performance with bucket ranges from 12" to 58" wide.

Fits Models At A Glance

70-Series Excavators: 15,000–22,000 lbs machines, 12"–40" buckets (e.g. PC70, PC78)
120-Series Excavators: 24,000–36,000 lbs machines, 18"–50" buckets (e.g. PC120, PC128)
160-Series Excavators: 40,000–46,000 lbs machines, 24"–58" buckets (e.g. PC160, PC180)
200-Series Excavators: 40,000–53,000 lbs machines (e.g. PC200, PC210, PC220)

Key Notes

Thumb Types Available: Both mechanical and hydraulic configurations offered for 70-, 120-, and 160-Series machines
Bucket Compatibility: Sized by bucket width — confirm bucket width before ordering
Weight Class Fitment: Each thumb kit is rated by machine operating weight — verify your machine's weight class
Country of Origin: Made in USA across all thumb kit SKUs
Counterweight Option: Counterweight available for 200-Series machines (40,000–53,000 lbs)

Why Choose Broken Tractor

✅ Made in USA thumb kits for dependable field performance
✅ Wide size range covering most Komatsu excavator classes
✅ Fast shipping from Baton Rouge, LA and Kimbolton, OH