(Page 11 of 12)
Various models could be fitted with accessories such as
stubshafts, high octane equipment, deep bases with low oil level
shut off switch, spill proof features, rain proof features, gear
reductions and other accessories. Vertical crankshaft models were
also available although they are not shown.
In 1949 models TLH 3 HP and RSH 2 HP were introduced. These were
horizontal crankshaft models.
Lauson also manufactured a line of 4 cycle air-cooled outboard
motors between 1941 and 1956, which were known as the Sport King.
In 1948 two completely new designs were offered, a single cylinder
3 HP model and a twin cylinder 6 HP model.
During the '30's and '40's Lauson also
manufactured a line of 4 cycle, water cooled inboard marine
engines. In 1949 four models were offered: PMM-827, 5 HP; PMM-826 3
HP; LF-848, 3.7 HP and RCM-826, 1-1/2 HP.
In December 1955, Lauson was purchased from Hart-Carter by
Tecumseh Products Company of Tecumseh, Michigan.
In 1956 four new vertical crankshaft mower engines were added to
the line and in that same year, the line was made up of the
following models: V 17, 1.75 HP, V 20, 2 HP; V22, 2.75 HP; V 25,
2.5 HP; V 27, 2.75 HP; CH 17, 1.75 HP; CH 20, 2 HP; RSH 737, 2 HP;
TLH 725, 3.3 HP; P 25, 6.3 HP. Models beginning with a 'V'
are vertical shaft.
In 1957 Tecumseh purchased the Power Products (2 cycle) engine
facility in Grafton, Wisconsin and in that same year combined the
parts and service facilities of both Lauson and Power Products to
form the Lauson-Power Products Parts Depot Division with offices
and warehouse in Grafton.
Over the years, Tecumseh has added, dropped or changed engine
models to keep the Lauson one of the most modern 4 cycle, air
cooled engines in the world.
The Lauson line today is very complete and consists of the
following models: Lawnmower, Aluminum, vertical shaft; LAV30RM, 3
HP; LAV35RM, 3.5 HP; LAV40 RM, 4.0 HP; Aluminum, Vertical Shaft;
LAV301A, 3 HP; LAV351 A, 3.5 HP; LAV401A, 4 HP; LAV501A, 5 HP; V60,
6 HP; VM70, 7 HP; VM80, 8 HP; Cast Iron, Vertical Shaft, VH50 5 HP;
VH60, 6 HP; VH70, 7 HP; VH80, 8 HP; VH100, 10 HP; Lawnmower,
Aluminum, horizontal shaft: H25, 2.5 HP; H30, 3 HP; H35, 3.5 HP;
H40, 4 HP; H550, 5 HP; H60, 6 HP; HM70, 7 HP; HM80, 8 HP; Cast
Iron, horizontal shaft: HH50, 5 HP; HH60, 6 HP; HH70, 7 HP; HH80, 8
HP; HH100, 10 HP; HH120, 12HP; HH140, 14HP; valve-in-head; HH150,
Valve-in-head; HH160, 16 HP, valve-in-head.
Some Lauson engines are identified by cubic inch displacement
instead of horsepower: ECH90, ECV100, TNT100, ECV105, ECV-110,
ECV120, ECH120 and TNT 120.
An old but beautiful 1929 Plymouth owned by Art Clapper, with
Barney Ketck seated on the running board, at the Adams County Apple
Festival, Arandtsville, Pennsylvania 1974.
Courtesy of William E. Hall, 15700 Santini Road, Burtonsville
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