Tulsa daily world. [volume] (Tulsa, Indian Territory [Okla.]) 1905-1919, 1918-03-17
NEW MAXWELL
FARM TRACTOR
Maxwell Develops Three Flow In
closed Transmission Farm
Tractor.

az the annual dealers banquet uI the
Maxwell. huImrTs 1l-tTiiutora, ~ Of
a bp, wh.,h would naturally be ca
pc tod from AN automobile uanufFC-
turpT. THIS tractor has been under
development FOR about five years. -
was concealed under the name Of
the ",hirf' and received its real
trN.uuis ,u the sugar plantations O.
I JuisIun
The ifu.iur is n threc-plow ma
chine giving q plpWiuE draw bar M
90 5000 foot pounds, with a normal
output ui ApuruN,mRtely 2.t0U. 1t
10 tuur-Vhr,l type, weighing
. 600 pounds with tanks empty. nnd
drives 'r rough two NSxlO-inoh rear
wheels IN means OF an inClOsrd
trarsuIvstnu. The tractor ~ thru-
out what may be called An HutOmO-
lIic t,ur, fpI lltho nothing about
n follows automobile practices, vet
the layout ir such us closely par
tllcl- automobile design. rhe wheel
base is o feet and the minimum
tread rs 4 inches This. however. Is
adjustable, as viii be explained
later. The tractor can turn In Il
circle ot "a feet,
\ frame construction A used,
,"uslstinR uf two deep angles with
the ilauIcs tgrncd IL; 50 that the
.utirc fame structure ls virtually
! u section In this l. rest the en-
p.ue aud transmission aud all the
working parts The frame 10 7
inches deep ana In OF scmi-fleMhlc
nature, with &lcNIbl, front support
/ at the center of "A transverse spring
mounted On tho front axle
This construction Rlyes tractor
which IL not affected by the dlstUr-
tion~ due "a inequalities or the
around. The construction ot the
tractor ~ uf two main units. the
power Ilunt and the transmission
Th' backbone Of the power JlEut
is made up OF thc cylinder casting
b v hi h Includes the CrankCage, aud
/ a toil houS,ng. The second part *
IA casting, which extends from the
/ h,li housing back to the rcar axle.
These two componene CASTINGS
bolt together at the bell housing.
giving u rigid central construction
for the working parts and forms IL"
two distinct strp 'tures which go 20
mako up the prtropal part or the
machine
The power plaut IL u three Casung
4 Cit composed ot the cylinder block
DlpNr described a casting for III,
head which is detachable. and a
tus,iuv forming he "a pan.
The -spkine pJE,r - a detachable
l-hcId unit uf very simple design
tn" cylinder dtu,nsl0ns are l-1N
p To ut into o. proposed production
schcdLlc Involving n truck uuit ot
heavy twpnoitN. Nothing definite.
however. can Tee stated OF this ~ the
present time
The l.-hcsd engine is conventional
IN eNeiv respect with the execution
that the water Jackets are ~ mucn
greater capacity han usual. rre
Jackets extend TO the nutton " tho
cylinder. 81 tina, there Ia straight
wall on the outside OF the cylinder
directly down 90 the crunk case.
giving Il completely cooled unit OF
large water capacity.
The water area around the cylin-
der.hcad which Is a separate Clrt-
Ing In also IarticularlY large with
water brought well around the spark
Plug aperture 10 eliminate any
chance OF hot points developing IN
their proximity.
The crankshaft IN carried on three
bearings and iS n l-2 inch unit
with all bearings l-2 inches In III
Lmetcr. The connecting g-rOd beau
ings are } ~ irchcs In length and
tho main booriugy are exceptionally
larTc Ter the normal engine speed;
which ir 900 rpm These bearings
from front TO rear arc 2 a., 2 l-2
and IL inches IN length
An interesting oillng system has
been worked out. II ts oan OF the
few truly combined pressure feed
and splash system. ~ both the prcr-
sure fecd and the splash are rela-
lively complete within themselves
In conjunction with tho oil pres
rure feed. which operates through
a drilled crankshuft. there are three
pumus one pump genE lcC4tSu ut
the forward end and tho thi~d taxi
iug the oil frow the spmp and de-
lh criuR II TO tho three main beprinIs
from where Il il led hy the hollow
sh1ft to the connecting rod hearings
With these three pumps, II the
tractor has 20 rllnh a stiff grade
aud the oil shoNld run 10 the hbck
Il the case. the pump AT the rcns
win carry the oil back To tho sump,
where IL viii distribute to the main
hearings should the tractor ba IN
cltned TO the frpnt the front oil
lump win act In the RlmC way
Thus, IN spite ~ the difference In
puTpops. a hint has been taken from
u'rrratt practio'.
The water system holds zen Ell-
lens. Water ~ uumn circulated
thru vertical tube radiator with
cast tanks Ignition Is made p,
magnetic. the make uf which has
rot Vet been f.Nel. the magnetic re-
ing equipped witheln impulse cnupl-
ing for starting The magnetic E.
driven for the water pump shau
thru a ncNlule coupling Gravity
gasoline feed IN employed, with n
.6 gallon tank nlounted behind anu
above the engine. Un1 tfc hCt-sput
man fold desigr ~ employed 10 pro-
VIDE for ctapor Ion.
WITH this ,nriue ~ tho i.2 inch
diameter type. 90 horse power iFSfr'
ht"rcd NJ 600 pm. which is the
roreruer speed. IN" governor is
90 rear driven unit on the vano Shlf,
Us the fan
\ cone clutch faced with asbestos
ilnrl, is incluioI IN the bell nous
luE. az 7 the service brake ~ mount
rd ON the .r,rrsU side " the clutch.
. lug when the prdRl clrtua a. do
Uis.scI. tho cone. which has H.
rip'ar ~ iG inches and t1ce width
Ut inches is nrst pulled out ~ tho
lINlng member and further dCpr~s-
uou of the pedal results 10 briu.lrg
DO" brake into effect
m" trHnsir ission gearing provides
three 'peCds the ratios hcinr such
thnt ou nirh CrHr tho tractor travels
siN miles per hour ~ zoe rpm on
intermediate. or blowing spced. . "a
miles : or hour ~ 600 rpm. aud nu
low ! 10 miles per hour pt 600
.rpr The transmission gearing -
1l mounted on antl-fri~Unn ter,-
Iurs and none ~ the center "a con.