Technical data – M4 LWE 180/200 LPE 200
Order number Date Valid from serial number T-code
225553-040 2005-05-11 723984- 660, 661, 662, 497 
© BT Europe AB Service Guide  LWE180, LWE200, LPE200, LPE240 2-  1
2- Technical data – M4 
LWE 180/200 LPE 200
Model LWE180 LWE200,  
LPE200-6
LPE200-8
Drive motor
Type TSL140S-DS20 TSL140S-DS30 TSL140S-
DS40
Output, kW 1.0 1.2 1,7
Duty cycle S2, 60 min S2,60 min S2,60 min
Minimum carbon brush length, mm  13 13  13
Nominal commutator diameter, mm 47 47 60
Minimum commutator diameter, mm 47  47  60
Resistance, shunt field winding
, Ω 
at 25 C°
0,55 0,55 0,4498
Resistance armature winding, Ω at 24 °C 0.0156 0,0156 0,0161
Insulation resistance between the windings 
and motor casing
>=1 Mohm >= 1Mohm >= 1Mohm
Weight, kg 14 14 17
Broms
Type BFK457-08 BFK457-08 BFK458-12
Braking force, Nm 16 16 32
Output, W 25 25 40
Resistance coil, Ω 23 23 14.4
Nominal play in actuated position, mm 0.2-0.4 0.2-0.4 0.3-0.5
Minimum thickness brake disc, mm 5.5 5.5 8.8
Thickness of a new brake disc, mm 7.0 7.0 10.0
Transmission/drive gear
Type 2-stage angle 
transmission
2-stage angle 
transmission
2-stage angle 
transmission
Gear ratio 19,14:1 19,14:1 16,29:1
Oil volume, litre 1.0 1.0  1.0 
Oil type 
at normal temperature 
at temperature < -15
o
C
Hypoid oil 
SAE 80W/90 
SAE 75W
Hypoid oil 
SAE 80W/90 
SAE 75W
Hypoid oil 
SAE 80W/90 
SAE 75W