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