Toro Groundmaster Series - Engine (Model 31900 & 31901); Engine (Model 31902 & 31903)

Engine(Model31900&31901)
ItemDescription
Make/Designation
Yanmar3TNV80F:4-cycle,3cylinderwater
cooleddiesel.EPATier4compliant.
Bore
80mm(3.15inches)
Stroke84mm(3.31inches)
Totaldisplacement
1,267cm
3
(77.31in
3
)
Firingorder
1(ywheelend)-3(fanend)-2
CompressionRatio
19:1
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-oilcapacity3.4L(3.6USqt)
OilpumpGeardriventrochoidtype
Coolantcapacity6.6L(7USqt)
Alternator/Regulator12VDC,40A
Engineweight(dry)135kg(298lb)
Engine(Model31902&31903)
ItemDescription
Make/DesignationYanmarModel3TNV88C-DTR:4-Cycle,3cylinder
watercooleddiesel.EPATier4compliant.
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
Fuelinjectornozzle
CommonRailwithDirectInjection
Governor
Electronic-allspeed
Lowidle(noload)
1,350to1,450rpm
Highidle(noload)
3,100to3,200rpm
Engineoil
APICJ-4orhigher;refertothetraction
unitOperator’sManualforadditional
engineoilinformation
Groundsmaster
®
3200,3300and3310
Page2–3
SpecicationsandMaintenance:Specications
19240SLRevA