New Holland Boomer 20 User Manual

INTRODUCTION
Generalspecication-TractorswithHydrostaticTransmission
(HST)
Model
Boomer20-
Hydrostatic
Model
Boomer25-
Hydrostatic
ENGINE
TypeDieselDiesel
Model
S3LS3L2
EngineGrossHorsepower17kW(23Hp)20kW(27Hp)
Cylinders
44
Bore
78mm(3.07in)78mm(3.07in)
Stroke78.5mm(3.09in)92mm(3.62in)
Displacement
1.125l(69in³)1.318l(80in³)
CompressionRatio
22.0:120.0:1
FiringOrder
1-3-21-3-2
LowIdleSpeed
970±30RPM970±30RPM
MaximumSpeed:
HighIdle29000±20RPM2900±20RPM
Rated2700RPM2700RPM
ValveClearance(Cold)
Intake
0.020-0.050mm(0.0008-0.0020in)0.020-0.050mm(0.0008-0.0020in)
Exhaust
0.050-0.085mm(0.0020-0.0033in)0.050-0.085mm(0.0020-0.0033in)
CAPACITIES
FuelT ank
25l(6.6USgal)25l(6.6USgal)
CoolingSystem3.8l(1.0USgal)3.8l(1.0USgal)
EngineCrankcase:
WithFilter
4l(1.10USgal)4l(1.10USgal)
RearAxle&Transmission(Includes
Hydraulics)
HST20l(5.28USgal)20l(5.28USgal)
FrontAxle
3l(1USgal)3l(1USgal)
COOLINGSYSTEM
TypePressurizedLiquidwithRecirculating
Bypass
PressurizedLiquidwithRecirculating
Bypass
WaterPump:
Type
CentrifugalCentrifugal
DriveV-BeltV-Belt
BeltDeection10-12mm(0.39-0.47in)when
10kg(22lb)pressureisapplied
midwaybetweenbeltpulleys
10-12mm(0.39-0.47in)when
10kg(22lb)pressureisapplied
midwaybetweenbeltpulleys
FanDiameter
356mm(14in)356mm(14in)
Thermostat:
StarttoOpen76.5°C(170°F)76.5°C(170°F)
FullyOpen90°C(194°F)90°C(194°F)
RadiatorCap90kPa(13psi)90kPa(13psi)
4801768402/06/2016
19

New Holland Boomer 20 Specifications

General

Brand	New Holland
Model	Boomer 20
Category	Tractor
Language	English