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

Wacker Neuson ST45 Sprockets

KTSU part numbers for Wacker Neuson ST45 sprockets: 1000339844 (15T 12BH) for Range A; 37C-22-11870 (17T – 12BH) for Range B.

Wacker Neuson ST45 Front Idlers

KTSU part number for Wacker Neuson ST45 front idlers: 7240006 for Range A.

Wacker Neuson ST45 Rear Idlers

KTSU part number for Wacker Neuson ST45 rear idlers: 37C-22-11842 (Single Web Idler) for Range B.

Wacker Neuson ST45 Front/Rear Idlers

KTSU part number for Wacker Neuson ST45 front/rear idlers: 37B-22-11830 (Tri Flange Idler) for Range B.

Wacker Neuson ST45 Idlers

KTSU part numbers for Wacker Neuson ST45 idlers: 1000339842 (Rear Idler) for Range A; 275574 for Range B.

Wacker Neuson ST45 Bottom Rollers

KTSU part numbers for Wacker Neuson ST45 bottom rollers: 1000339848 (Outer Flg Roller) for Range A; 16213289 (Outer Flg) for Range B; 7228629 (Tri Flg) for Range A; ID2802 (Tri Flg) for Range B.

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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