Toro Groundmaster Series - Engine (Model 31907 & 31909); Hydraulic System

Engine(Model31902&31903)(continued)
ItemDescription
Crankcase-oilcapacity5.2L(5.5USqt)withFilter
OilpumpGeardriventrochoidtype
Coolantcapacity7.6L(8USqt)
Alternator/Regulator12VDC55A
Engineweight(dry)188kg(414lb)
Engine(Model31907&31909)
ItemDescription
Make/DesignationYanmar3TNV88-BDTR:4-Cycle,3cylinderwater
cooleddiesel.EPATier2compliant.
Bore
88mm(3.465inches)
Stroke90mm(3.543inches)
Totaldisplacement
1,642cm
3
(100.2in
3
)
Firingorder
1(ywheelend)-3(fanend)-2
CompressionRatio
23:1
Fuel
DieselorBiodieselfuel(uptoB7)
Fueltankcapacity
45.4L(12USgallons)
Fuelinjectionpump
YanmarSupplyPump
FuelinjectornozzleThrottletype
GovernorCentrifugal-allspeedgovernor
Lowidle(noload)
1,150to1,250rpm
Highidle(noload)
3,200to3,250rpm
Engineoil
APICJ-4orhigher;refertothetraction
unitOperator’sManualforadditional
engineoilinformation
Crankcase-oilcapacity6.6L(7USqt)
OilpumpGeardriventrochoidtype
Coolantcapacity7.6L(8USqt)
Alternator/Regulator12VDC,40A
EngineWeight(dry)161kg(355lb)
HydraulicSystem
ItemDescription
Piston(traction)pumpDanfoss,LPVvariabledisplacementclosed
circuitaxialpistonpump
Maximumpumpdisplacement(per
revolution)
34.9cm
3
(2.13in
3
)
Tractioncircuitreliefpressure(forwardand
reverse)
24,993kPa(3625psi)
ChargePump
Maximumpumpdisplacement(per
revolution)
Casappapositivedisplacementgeartypepump
5.6cm
3
(0.34in
3
)
SpecicationsandMaintenance:Specications
Page2–4
Groundsmaster
®
3200,3300and3310
19240SLRevA