We've searched the internet and found the largest collection of On30 Scale trains for sale is on eBay. Below are the listings for 'trucks'.

On3 On30 O CRAFTSMAN NATIONAL MOTOR Co 1912 MODEL T COKE REA EXPRESS TRUCK KIT
On3 On30 O CRAFTSMAN NATIONAL MOTOR Co 1912 MODEL T COKE REA EXPRESS TRUCK KIT
$34.95
Time Remaining: 3h 3m
Buy It Now for only: $34.95
Lot of 2 BLACKSTONE HOn3 B370110 DRGW UTLX 48 Bettendorf Tank Car Trucks
Lot of 2 BLACKSTONE HOn3 B370110 DRGW UTLX 48 Bettendorf Tank Car Trucks
$33.99
Time Remaining: 18h 20m
Buy It Now for only: $33.99
1 lot of vintage misc spring trucks and wheels HOn3 scale
1 lot of vintage misc spring trucks and wheels HOn3 scale
$41.00 (2 Bids)
Time Remaining: 23h 15m
On30 or 0 scale Logging Truck custom built and weathered after historic picture
On30 or 0 scale Logging Truck custom built and weathered after historic picture
$148.00
Time Remaining: 2d 3h 56m
Old Ford Logging Truck custom weathered lot 4  O SCALE  ON30
Old Ford Logging Truck custom weathered lot 4 O SCALE ON30
$118.00
Time Remaining: 2d 3h 56m
On30 or 0 scale Logging Truck for diorama custom weathered lot 7
On30 or 0 scale Logging Truck for diorama custom weathered lot 7
$78.00
Time Remaining: 2d 3h 56m
On30 or O scale Logging Truck custom weathered and built after historic picture
On30 or O scale Logging Truck custom weathered and built after historic picture
$146.00
Time Remaining: 2d 3h 56m
O scale On30 scale Logging Truck custom weathered after historic pictures
O scale On30 scale Logging Truck custom weathered after historic pictures
$115.00
Time Remaining: 2d 3h 56m
Historic Logging Truck custom weathered O or On30 scale lot 6
Historic Logging Truck custom weathered O or On30 scale lot 6
$89.00
Time Remaining: 2d 6h 24m
Buy It Now for only: $89.00
O SCALE 1 48 WISEMAN 1912 MODEL T FORD REA EXPRESS TRUCK KIT NM 910 NMC
O SCALE 1 48 WISEMAN 1912 MODEL T FORD REA EXPRESS TRUCK KIT NM 910 NMC
$29.95
Time Remaining: 2d 21h 16m
Buy It Now for only: $29.95
Historic Logging Truck custom weathered handbuilt O scale On30 lot 5
Historic Logging Truck custom weathered handbuilt O scale On30 lot 5
$148.00
Time Remaining: 4d 5h 3m
O Scale On30 Logging Truck custom weathered top eye catcher lot 8
O Scale On30 Logging Truck custom weathered top eye catcher lot 8
$148.00
Time Remaining: 4d 5h 3m
Logging Truck custom built O scale On30 lot 2
Logging Truck custom built O scale On30 lot 2
$148.00
Time Remaining: 4d 5h 3m
O scale On30 custom weathered Logging Truck after historic pictures lot 3
O scale On30 custom weathered Logging Truck after historic pictures lot 3
$148.00
Time Remaining: 4d 5h 3m
Custom built and weathered Logging Truck On30 or O scale handcrafted
Custom built and weathered Logging Truck On30 or O scale handcrafted
$148.00
Time Remaining: 4d 5h 3m
O scale On30 Historic Logging Truck custom weathered lot 4
O scale On30 Historic Logging Truck custom weathered lot 4
$148.00
Time Remaining: 4d 5h 3m
Bachmann Spectrum On 30 28 Ton Two Truck Climax Locomotive 25763 Tsunami 2 DCC
Bachmann Spectrum On 30 28 Ton Two Truck Climax Locomotive 25763 Tsunami 2 DCC
$220.00
Time Remaining: 4d 19h 13m
Spectrum Bachmann On 30 2 Truck Shay 25663 Locomotive With Tsunami2 DCC
Spectrum Bachmann On 30 2 Truck Shay 25663 Locomotive With Tsunami2 DCC
$220.00 (1 Bid)
Time Remaining: 4d 19h 24m
Spectrum Bachmann On 30 14 T Two Truck Stearns Heisler Locomotive Tsunami2 DCC
Spectrum Bachmann On 30 14 T Two Truck Stearns Heisler Locomotive Tsunami2 DCC
$220.00
Time Remaining: 4d 19h 35m
Spectrum Bachmann On 30 Two Truck Shay 25657 Locomotive With Tsunami2 DCC
Spectrum Bachmann On 30 Two Truck Shay 25657 Locomotive With Tsunami2 DCC
$220.00
Time Remaining: 4d 19h 55m
O On3 On30 1 48 WISEMAN T 201 202 208 NASH QUAD CLOSED CAB STAKE BED TRUCK KIT
O On3 On30 1 48 WISEMAN T 201 202 208 NASH QUAD CLOSED CAB STAKE BED TRUCK KIT
$114.95
Time Remaining: 5d 23h 27m
Buy It Now for only: $114.95

Other On30 Scale train items recently purchased through this site:

1 lot of vintage misc spring trucks and wheels HOn3 scale
Lot of 2 BLACKSTONE HOn3 B370114 DRGW 48 Arch Bar Refrigerator Car Trucks
Lot of 2 BLACKSTONE HOn3 B370110 DRGW UTLX 48 Bettendorf Tank Car Trucks
O On3 On30 1 48 WISEMAN MODEL SERVICES MODERN VERSION LOG TRUCK CONVERSION KIT
Bachmann Spectrum On 30 28 Ton Two Truck Climax Locomotive 25763 Tsunami 2 DCC
Spectrum Bachmann On 30 2 Truck Shay 25663 Locomotive With Tsunami2 DCC
Lot Of HOn3 Brass Archbar Trucks DRGW Unknown Maker
Spectrum Bachmann On 30 Two Truck Shay 25657 Locomotive With Tsunami2 DCC
Spectrum Bachmann On 30 14 T Two Truck Stearns Heisler Locomotive Tsunami2 DCC
HOn3 Micro Trains Line MTL Archbar Trucks Brown 10 Pair NIB 005 25 000
ON30 RAIL TRUCK CONVERSION KIT PASSENGER CAB FITS BACHMANN RAIL TRUCK
ON30 RAIL TRUCK CONVERSION KIT MOW CAB FITS BACHMANN RAIL TRUCK
6 pair Bachmann Vulcan Freight Trucks On30 29905
HOn3 BRASS DRGW UNITED SCALE MODELS TENDER TRUCKS NIB
O SCALE 1 48 WISEMAN 1914 MODEL T FORD FIRE TRUCK KIT NM 906 NATIONAL MOTOR CO
On30 or 0 scale Logging Truck custom built and weathered after historic picture
O On3 On30 WISEMAN MODEL SERVICES TOPPINS TRUCK UNIT WITH FORDSON POWERPLANT KIT
O On3 On30 1 48 WISEMAN MODEL SERVICES EARLY VERSION LOG TRUCK CONVERSION KIT
On30 Bachmann Passenger Trucks 2 axle NIB 29902
O On3 On30 1 48 WISEMAN T 201 202 208 NASH QUAD CLOSED CAB STAKE BED TRUCK KIT
ON30 RAIL TRUCK CONVERSION KIT FREIGHT CAB FITS BACHMANN RAIL TRUCK
O scale On30 Historic Logging Truck custom weathered lot 4
O On3 On30 1 48 WISEMAN MODELS OKT 16 KLEIBER LOGGING CAMP SUPPLY TRUCK KIT
O On3 On30 1 48 WISEMAN MODEL SERVICES OKT 05 KLEIBER CLOSED CAB DUMP TRUCK KIT
O SCALE 1 48 WISEMAN 1912 MODEL T FORD DAIRY DELIVERY TRUCK KIT NM 904