15Chain and Bar Manual
3.7 Part Number and 
Marketing Number 
The part number consists of three 
groups with 4, 3 and 4 digits. 
– First group of digits (xxxx ... ....) 
Code for chain type
– Second group of digits (.... xxx 
....) 
Code for STIHL logistics 
–Third group of digits (.... ... xxxx)
Number of drive links (chain 
length)  
Example:  
Marketing Number
A system of special abbreviated 
designations has been introduced in 
addition to the part number for easy 
identification of STIHL saw chains 
and their technical data. In this 
alphanumeric system each letter or 
digit stands for a specific term or 
technical feature. 
The result is a relatively short but 
informative designation.
3621 000 0060
Number of 
drive links, 
60 in 
this example
Code for STIHL 
logistics 
Chain type 
System of Marketing Numbers
Example:  
Meaning of digits and letters 
Pitch  
Drive Link Gauge 
Basic Type 
 
Version (cutter shape)  
61PMM3
Special version
3 = Humped
      drive link
Special version
M = Mini 
Version
M = Micro 
Basic type
P = PICCO
TM
Drive link gauge
1 = 1.1 mm
Pitch 
6 = 3/8" PICCO
TM
11/4" 6.35 mm
2.325" 8.25 mm
33/8" 9.32 mm
4.404" 10.26 mm
51/2" 12.70 mm
63/8" PICCO
TM
9.32 mm
71/4" PICCO
TM
6.35 mm
11.1 mm.043"
31.3 mm.050"
51.5 mm.058"
61.6 mm.063"
02.0 mm.080"
RRAPID
TM
PPICCO
TM
CChipper (standard)
M Micro
SSuper
DDuro
Special Versions   
Examples: 
Chain type 3610:
STIHL OILOMATIC
®
 36 RS3 
–Pitch: 3/8" 
–Drive link gauge: 1,6mm 
– Basic type: PICCO
TM
 
–Version: Super
–Special version: Humped drive 
link 
Chain type 3628: 
STIHL OILOMATIC
®
 25 RM 
–Pitch: .325" 
–Drive link gauge: 1.5mm 
– Basic type: RAPID
TM
 
–Version: Micro 
Chain type 3661: 
STIHL OILOMATIC
®
 13 RMS 
–Pitch: 1/4" 
–Drive link gauge: 1.3mm 
– Basic type: RAPID
TM
 
–Version: Micro
–Special version: Spezial 
(Carving) 
Low kickback chain
3Humped drive link
Other special versions
CComfort
FFull-Skip
HSemi-Skip
KKlassik 
LSquare ground 
LH Square ground semi-
skip 
MMini
SSpezial 
XRipping chain 
YFull house chain 
R Rescue
HHarvester