← The LEGO Parts Guide › Vehicle › Train

3×6 Train Wheel Holder (Bogie) (Part 38339)

2006-2026CURRENT

Custom LEGO part images © 2014-2026 Brick Architect LLC.

This part has two variants that are functionally equivalent in most scenarios:

38339 has two hollow studs, 6-studs in the recessed area, and a simplified underside.

2878 has no hollow studs, just 4-studs in the recessed area, and a more complex underside.

External Links

LEGO parts are described differently on other websites and may use different part numbers.

LEGO Pick a Brick:
2878 BEARING ELEMENT 3X6
38339 BOGIE 3X6
Bricklink:
2878 Train Wheel RC, Holder
38339 Train Wheel RC, Holder with Pin Slots
Rebrickable:
2878 Wheel Holder, Train Wheel RC Train
38339 Wheel Holder, Train Wheel RC Train, Holder, Open Axle
Brickset:
2878 BEARING ELEMENT 3X6
38339 BOGIE 3X6
LDraw:
2878 Train Wheel Bogie Single Axle without Wheelset
38339 Train Wheel Bogie With Pin Slots without Wheelset
 CURRENTALL YEARS
OVERALL RANK
+202
1454
1688
# PIECES
85(RANK: 1010)
309(RANK: 1037)
# SETS
12(RANK: 1596)
41(RANK: 1890)
# COLORS
1(RANK: 2350)
2(RANK: 4100)

Ranking based on buying one copy of every LEGO set, counting the number of sets containing each part, then sorting by part and color.

Overall Rank is a weighted score combining the number of parts, sets, and colors produced.

Current ranking based on sets released between 2021-2025. (2026 not included because too few sets have been released and inventoried at this time.)

Printable LEGO Brick Label

Requires a compatible Brother Label Printer — learn more at brickarchitect.com/labels.

3×6 Train
Wheel Holder
38339
.LBX

New Label! Not included in legacy LEGO Brick Labels collection.

3×6 Train
Wheel Holder
38339
.LBX

Small QR codes are hard to scan with some devices.

Date Added: 2025-01-13 22:31:35
Date Modified: 2026-08-07 22:30:09

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