46
English / USA
TS 400
EPA / CEPA:
The Emission Compliance Period 
referred to on the Emissions 
Compliance Label indicates the number 
of operating hours for which the engine 
has been shown to meet Federal 
emission requirements.
Category:
A = 300 hours, 
B = 125 hours, 
C = 50 hours
CARB: 
The Emission Compliance Period used 
on the CARB-Air Index Label indicates 
the terms: 
Extended = 300 hours, 
Intermediate = 125 hours, 
Moderate = 50 hours
Engine
STIHL single cylinder two-stroke engine
Ignition System 
Type: Electronic magneto ignition
Spark plug (suppressed):
Bosch WSR 6 F or NGK BPMR 7 A
Electrode gap
0.02 in (0,5 mm)
Carburetor
All position diaphragm carburetor with 
integral fuel pump
Starter system
ElastoStart starter rope 
dia. 0.18 in (4.5 mm)
1122 190 2900
Fuel tank capacity
1.39 pt (0,66 l)
Abrasive wheels
Composite abrasive wheels for steel, 
stone, asphalt, ductile cast pipes and 
plastics
1)
.
Diamond abrasive wheels for stone and 
asphalt.
Dia. 12 in (300 mm) or 14 in (350 mm)
0.10 to 0.24 in (2.6 to 6 mm) thick
Arbor hole diameter, spindle 
diameter
0.787 in (20 mm)
Min. thrust washer diameter
4.1 in (103 mm)
Cutting depth with thrust plate
dia. 4.1 in (103 mm):
3.9 in (98,5 mm) for dia. 12 in (300 mm)
4.9 in (123,5 mm) for dia. 14 in (350 mm)
1)
Not available in all countries
Specifications
Displacement: 3.9 cu.in
(64,1 cm
3
)
Bore: 1.93 in
(49 mm)
Stroke: 1.34 in
(34 mm)
Maximum spindle speed:
(make sure that the 
maximum operating 
wheel speed is above or 
equal to the maximum 
spindle speed of your 
cut-off machine)
5350 rpm