01- 03-04, 05-06, A5, A9
3S, 3R-Spring Loaded
4K-4R-High Performance
4L-Modular Stem
4S-Stainless Modular
07-17-75-T3-FS-76-Modular
8A-8R-Light Duty
09-10-T2-Light Duty
11-12-General Duty
13-14-Light Medium Duty
15-16-7H-73-74-S7-S8-S9
20-Shopping Cart-Laundry Cart
21-75-76-78-Light Medium
23-24-Light Medium
25-Stainless Bakery
27-28-39-DT-FT-Medium Duty
37-38-Spring Loaded
41-45-4A-46 – Kingpinless Series
43-44-Medium Heavy
47-48-Medium Heavy
49-50-Momentum™
51-52-Forged Series
53-54-Forged Series
55-56-Forged Series
57-58-Forged Series
59, TS-Roadie®
61-62-Heavy Duty Kingpinless
63-64-Extreme Duty Kingpinless
65-66-Extreme Duty Kingpinless
67-68-Pneumatic, Ever-Roll™
69-70—Brass-Plated
79-80-T9—Stamp-Formed Series
81-82 – Economy Industrial Series
A3-H3-03-Inverted Aircraft Loading
A9-Low Profile – Total Lock
B1-B2, 31-32-TS, S5-S6—Stainless
D1-R1-Dual Wheel Kingpinless
D2-R2-Dual Wheel Kingpinless
D3-R3-Dual Wheel Kingpinless
D4-R4-Dual Wheel Kingpinless
FH-Chariot™
G1, G2, G3—Spring Loaded Gate
H5-17-T3–9-75-Adjustable Height
H9-H0-Stamp-Formed
Low Rider-Appliance
LV-Leveling
MS-Light Duty Swivel
P5-PT-Polimed™ Composite
PL-Polima-PL
SA-SB-Light Duty Spring-Loaded
T1-T3-17- FS- TH- F7 Directional

BC—Dura-Cushion™
BF-SL—SteROLLizer®
BR—Bogey and Nose Rollers.
CD—Energy Saver Ductile™CD
CN—Conductive Thermo Rubber
CP—Champion™
CR—Cushion Ride™
CT—Conductive Solid Rubber
DS—Ductile Steel
DV—Ductile V-Groove
DW—Dual-Wheel
EL—Element™
EN—Neo-Energizer™
ER—Ever-Roll™
ET—ELITE
EX—Ultra-Poly®
FF—Foam-Filled Pneumatic
FP—Full Pneumatic
FS—Drop-Forged Steel
“FV-SV –Forged – Steel V-Groove”
GN—BrimStone®
HR—Solid Hard Rubber
HS—Heavy-Duty Semi-Steel
HT—High-Temp Phenolic
HU—ErgoLastomer™
LP—Low Profile Mold-on Rubber
LS—Xtreme
MA—MaxRok™
MU—Polyon MaxRok™
MV—MaxRok™ V-Groove
NM—Nomadic™
NR—RUBBER ON NYLON
NX—IronMan™
NY—Nylon Wheels
OV—Epoxy Wheels
PA—Polyon-Al™
PC-PS—Pallet Jack Wheels.
PH—Phenolic
PM—Polymadic™
PO-HP—Polyolefin
PP—Poly-Pro™
PR—Polyon-C
PU—Polyon™
RA—Rubber on Aluminum
RH—Supreme Rubber
RK—GrayRok™
RP—PolyFlexon®
RS—Cast Iron Mold-On Rubber
RT—ElastoRide™
SF—Super-Soft™
SI—Sintered Iron
SN—Eco-Rubber™
SN—Semi-Pneumatic Tires
SR—Solid Rubber Soft Tread
SS—Semi-Steel
SU—DuraLastomer™
SW—Energy Saver Polyon
SX—Elastomer
TP—Thermo-Pro™
UA—PolyFlexon™
UD—D-Polyon™
UN-US—Welded Disc™ Poly
UX—Super Elastomer (UltraFlex™)
VG—Cast Iron V-Groove