CAT 6T3720 For Sale

Browse our current listings for CAT 6T3720. Inventory may include new, used, rebuilt, aftermarket, and core heavy equipment parts. Create an account to view dealer information and contact them for price and other info.

Current Listings

Listing

1 of 41

Part Number

6T3720

Manufacturer

CAT

Manufacturer Name

CAT

Condition

USED

Quantity Available

Ships From

Last Updated

9/14/2026

Description

108572

Listing

2 of 41

Part Number

6T3720

Manufacturer

CAT

Manufacturer Name

CAT

Condition

USED

Quantity Available

Ships From

Dimensions

0.00 IN L x 0.00 IN W x 0.00 IN

Last Updated

9/14/2026

Description

GEAR

Listing

3 of 41

Part Number

6T3720

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Stock Number

149739

Last Updated

9/14/2026

Description

RING GEAR 80 TEETH

Listing

4 of 41

Part Number

6T3720

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Model Number

988F II

Stock Number

126409

Last Updated

9/14/2026

Description

988F GEAR RING 80 TEETH

Listing

5 of 41

Part Number

6T3720

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Model Number

D400E

Stock Number

125256

Last Updated

9/14/2026

Description

D400E GEAR

Listing

6 of 41

Part Number

6T3720

Manufacturer

CAT

Manufacturer Name

CAT

Condition

USED

Quantity Available

Ships From

Serial Number

2ZR1960

Last Updated

9/14/2026

Description

RING GEAR

Listing

7 of 41

Part Number

6T3720

Manufacturer

CAT

Manufacturer Name

CAT

Condition

USED

Quantity Available

Ships From

Serial Number

2ZR2030

Last Updated

9/14/2026

Description

GEAR

Listing

8 of 41

Part Number

6T3720

Manufacturer

CAT

Manufacturer Name

CAT

Condition

USED

Quantity Available

Ships From

Serial Number

8TF475

Last Updated

9/14/2026

Description

GEAR

Listing

9 of 41

Part Number

6T3720

Manufacturer

CAT

Manufacturer Name

CAT

Condition

USED

Quantity Available

Ships From

Serial Number

7MZ408

Last Updated

9/14/2026

Description

GEAR RING

Listing

10 of 41

Part Number

6T3720

Manufacturer

CAT

Manufacturer Name

CAT

Condition

NEW

Quantity Available

Ships From

Serial Number

HOLT INV 27

Last Updated

9/14/2026

Description

GEAR

Listing

11 of 41

Part Number

6T3720

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Last Updated

9/14/2026

Description

988G RING GEAR

Listing

12 of 41

Part Number

6T3720

Manufacturer

CAT

Manufacturer Name

0000726

Condition

NEW

Quantity Available

Ships From

Last Updated

9/14/2026

Description

H - H - ADDEDPARTS - BELLYPAN - BUCKETCYL - CAB - HOOD - LIFTJACK-L - LIFTJACK-R - STICK - STICKCYL - VALVEASS - R - R - H

Listing

13 of 41

Part Number

6T3720

Manufacturer

CAT

Manufacturer Name

0000726

Condition

USED

Quantity Available

Ships From

Last Updated

9/14/2026

Description

H - H - ADDEDPARTS - BELLYPAN - BUCKETCYL - CAB - HOOD - LIFTJACK-L - LIFTJACK-R - STICK - STICKCYL - VALVEASS - R - R - H

Listing

14 of 41

Part Number

6T3720

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Model Number

988F

Stock Number

24284

Last Updated

9/14/2026

Description

GEAR

Listing

15 of 41

Part Number

6T3720

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Model Number

834G

Stock Number

21728

Last Updated

9/14/2026

Description

GEAR

Listing

16 of 41

Part Number

6T3720

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Model Number

834B

Stock Number

8098

Last Updated

9/14/2026

Description

GEAR

Listing

17 of 41

Part Number

6T3720

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Model Number

D9L

Stock Number

23416

Last Updated

9/14/2026

Description

GEAR

Listing

18 of 41

Part Number

6T3720

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Model Number

980H/988K

Stock Number

7320

Last Updated

9/14/2026

Description

GEAR

Listing

19 of 41

Part Number

6T3720

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Model Number

D10N

Stock Number

16710

Last Updated

9/14/2026

Description

GEAR

Listing

20 of 41

Part Number

6T3720

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Model Number

D9N

Stock Number

17938

Last Updated

9/14/2026

Description

GEAR

Listing

21 of 41

Part Number

6T3720

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Model Number

980H

Stock Number

62543

Last Updated

9/14/2026

Description

GEAR

Listing

22 of 41

Part Number

6T3720

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Model Number

826G

Stock Number

48943

Last Updated

9/14/2026

Description

GEAR

Listing

23 of 41

Part Number

6T3720

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Model Number

988H TRANS

Last Updated

9/14/2026

Description

GEAR

Listing

24 of 41

Part Number

6T3720

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Model Number

WASHINGTON

Last Updated

9/14/2026

Description

GEAR

Listing

25 of 41

Part Number

6T3720

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

GOOD USED

Quantity Available

Ships From

Last Updated

9/14/2026

Description

GEAR

Listing

26 of 41

Part Number

6T3720

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Last Updated

9/14/2026

Description

RING GEAR

Listing

27 of 41

Part Number

6T3720

Manufacturer

CAT

Manufacturer Name

CAT

Condition

USED

Quantity Available

Ships From

Stock Number

6T3720

Dimensions

X X

Last Updated

9/14/2026

Description

USED GEAR A 6T3720 980C D10N D8L D9L D9R

Listing

28 of 41

Part Number

6T3720

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Last Updated

9/14/2026

Description

RING GEAR D9R

Listing

29 of 41

Part Number

6T3720

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Last Updated

9/14/2026

Description

RING GEAR 834B

Listing

30 of 41

Part Number

6T3720

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Model Number

826 G

Stock Number

9634

Last Updated

9/14/2026

Description

GEAR RING

Listing

31 of 41

Part Number

6T3720

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Model Number

988F

Stock Number

20881

Last Updated

9/14/2026

Description

GEAR- RING 80 TEETH 988F 20881

Listing

32 of 41

Part Number

6T3720

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Model Number

988F II

Stock Number

25619

Last Updated

9/14/2026

Description

GEAR- RING 80 TEETH 988F II 25619

Listing

33 of 41

Part Number

6T3720

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Model Number

836G

Stock Number

5552

Last Updated

9/14/2026

Description

GEAR RING 836G 5552

Listing

34 of 41

Part Number

6T3720

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Dimensions

X X

Last Updated

9/10/2026

Description

RING GEAR

Listing

35 of 41

Part Number

6T3720

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Model Number

589

Stock Number

70906-09

Last Updated

9/10/2026

Description

GEAR

Listing

36 of 41

Part Number

6T3720

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Model Number

RIVERSIDE INVENTORY

Stock Number

8811181-A9

Last Updated

9/10/2026

Description

GEAR

Listing

37 of 41

Part Number

6T3720

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Model Number

988F

Stock Number

8775037-A9

Last Updated

9/10/2026

Description

GEAR

Listing

38 of 41

Part Number

6T3720

Manufacturer

CAT

Manufacturer Name

CAT

Condition

USED

Quantity Available

Ships From

Last Updated

9/8/2026

Description

GEAR 3378

Listing

39 of 41

Part Number

6T3720

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Weight

Last Updated

7/2/2026

Description

GOOD USED RING GEAR 80-TEETH 30-DAY WARRANTY

Listing

40 of 41

Part Number

6T3720

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Stock Number

41881

Last Updated

6/17/2026

Description

GEAR RING 80 TEETH

Listing

41 of 41

Part Number

6T3720

Manufacturer

CAT

Manufacturer Name

CATERPILLAR

Condition

USED

Quantity Available

Ships From

Stock Number

UCA-6T3720

Last Updated

4/16/2026

Description

NEW GEAR