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KTSU 37C-22-11870 Drive Sprocket for Komatsu CK35
KTSU 7240006 Front Idler for Bobcat T630
KTSU 37C-22-11842 Rear Idler for Komatsu CK35
KTSU 37B-22-11830 Front/Rear Idler for Komatsu CK35
KTSU 1000339842 Idler for Wacker Neuson ST28
KTSU 275574 Idler for Gehl RT165
KTSU 1000339848 Track Roller for Wacker Neuson ST28
KTSU 16213289 Track Roller for Gehl RT165
KTSU 7228629 Track Roller for Bobcat T595
KTSU ID2802 Track Roller for Gehl RT165

Wacker Neuson ST45 Undercarriage Parts

Price range: $266.00 through $649.00

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Priced per part. Each option names the serial range letters it fits.

Which range is my machine? Find your serial number here, then pick the parts marked with that range letter.

Range Configuration Serial numbers (as KTSU lists them)
Range A 4 Rollers per Side WNCS0606APUM00501 – up
Range B 5 Rollers per Side WNCS0404 -up
SKU: wacker-neuson-st45-undercarriage-parts Category:

KTSU-made rollers, idlers and sprockets for the Wacker Neuson ST45, priced per part.

Parts by range

Serial numbers for each range are in the table above the part picker.

Range Drive Sprocket Front Idler Rear Idler Front/Rear Idler Idler Track Roller
Range A
4 Rollers per Side		 1000339844 (15T 12BH) 7240006 — — 1000339842 (Rear Idler) 1000339848 (Outer Flg Roller)
7228629 (Tri Flg)
KTSU lists 2 — confirm the spec before ordering
Range B
5 Rollers per Side		 37C-22-11870 (17T – 12BH) — 37C-22-11842 (Single Web Idler) 37B-22-11830 (Tri Flange Idler) 275574 16213289 (Outer Flg)
ID2802 (Tri Flg)
KTSU lists 2 — confirm the spec before ordering

KTSU part numbers on this page: 1000339844, 37C-22-11870, 7240006, 37C-22-11842, 37B-22-11830, 1000339842, 275574, 1000339848, 16213289, 7228629, ID2802.

Verify your OEM part number against your serial plate before ordering.

Need tracks? Wacker Neuson ST45 Tracks.

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  • KTSU 37C-22-11870 Drive Sprocket for Komatsu CK35

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     Price range: $266.00 through $572.00

    Priced per part. Each option names the serial range letters it fits.

    Which range is my machine? Find your serial number here, then pick the parts marked with that range letter.

    Range Configuration Serial numbers (as KTSU lists them)
    Range A 4 Rollers per Side WNCS0604LPUM00501 – up
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    ADD TO CART

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