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Identifying STIHL Saw Chains

Identifying STIHL Saw Chains

STIHL uses a Marketing Number System in addition to the part number. This allows easy identification of any chain. For example, chain with a Marketing Number of 33RSC3:

Pitch Gauge Type Shape Special
3 3 R S 3
3/8" .050" STIHL RAPID™ Super Single-Humped Drive Link

Distance between three rivets
divided by two as shown.

Pitch
(Marked on cutter)
1 = 1/4"
2 = .325"
3 = 3/8"
4 = .404"
6 = STIHL PICCO™
(3/8" Extended)
7 = STIHL PICCO™
(1/4" Extended)

Cutter Type
R = STIHL RAPID™
P = STIHL PICCO™

Cutter Shape
S = Super (Full Chisel)
M = Micro™ (Semi Chisel)
D = Duro (Carbide Tip)
R = Rescue (RDR chain, especially designed for MS 460 R STIHL Magnum™ Rescue carbide segment)

Gauge
(on drive link)
1 = .043" (1.1 mm)
3 = .050" (1.3 mm)
5 = .058" (1.5 mm)
6 = .063" (1.6 mm)
0 = .080" (2.0 mm) Harvester Chain Only

Special
1 = Triple-humped Tie Strap on PM chain
2 = Triple-humped Tie Strap on RM chain
3 = Single-Humped Drive Link
F = Full Skip
H = Semi Skip (Half-Skip) or Harvester (i.e. on .404" RMH)
K = Classic Cutter Design
L = Square Ground Chisel
M = Mini
MM = Mini Micro
N = Narrow (PMN)
S = Special
Number of Drive Links in Reels
Type 100' Reel
1/4"
3/8" STIHL PICCO™
.325"
3/8"
.404"
2400
1640
1840
1640
1480


ANSI B175.1 Chain Saw Kickback Standard
STIHL’s green and yellow color code system serves to identify STIHL bars and chains with different kickback reduction characteristics. Green (go) marks those products which are designed to reduce the risk of kickback injury and comply with the ANSI B175.1 kickback standard. STIHL’s low-kickback chain features a green tie strap that identifies each loop as “low-kickback” chain that meets the ANSI standard. Recommended for both the experienced and inexperienced chain saw user. Yellow (caution) marks products with increased risk of kickback injury. They are for use only by persons with extraordinary cutting needs. Also necessary are experience and specialized training in dealing with kickback conditions.