Replacement Part List
64_65
The Wacker Neuson automatic 
self-priming centrifugal trash 
pump is the perfect pump 
for contractors, pump 
rental companies, mining 
operators, general industrial 
and municipal use. High-
grade cast ductile iron pump 
housing, wear plate, and 
impeller construction makes 
this unit jobsite tough.
4, 6, and 8-inch  
Automatic Self-Priming Trash Pumps
APT 4 S
    APT 4 T APT 4 S  APT 6 T 
TECHNICAL DATA
Suction & discharge diameter in 4  4  6
Length x width x height  in 133 x 64 x 80 93 x 40 x 64 133 x 64 x 94
Operating weight  lb 3267  2762  3997
Shipping weight  lb 2917  2411  3647
Shipping size (l x w x h)  in 133 x 64 x 80 93 x 40 x 64 133 x 64 x 94
Max. discharge head  ft 150  150  150
Max. discharge  gpm 1300  1300  2100
Max. suction lift  ft 25  25  25
Solid size capacity  in 2  2  3
Engine type     water-cooled, 4-cycle, 4-cylinder, diesel engine 
 Yanmar  Yanmar  John Deere
Displacement  in³ 133.6  133.6  276
Operating speed  rpm 2200 / 1200  2200 / 1200 2400 / 1400 
(max. / min.)
Max. rated power  hp 40  40  74 
at rated speed  rpm  2200  2200  2400
Power rating speciļ¬cation    J 1995 / ISO 3046  J 1995 / ISO 3046  J 1995 / ISO 3046
Maximum fuel  gal/hr 2.19 @ 2200 rpm  2.19 @ 2400 rpm 4.42 @ 2400 rpm 
consumption   1.28 @ 1200 rpm  1.28 @ 1400 rpm  2.83 @ 1400 rpm
Fuel capacity  gal 74  74  74










