General Specification - Tractors With Hydrostatic Transmission (Hst) - New Holland Boomer 20 Service Manual

General specification - Tractors with Hydrostatic Transmission
(HST)
ENGINE
Type
Model
Engine Gross Horsepower
Cylinders
Bore
Stroke
Displacement
Compression Ratio
Firing Order
Low Idle Speed
Maximum Speed:
High Idle
Rated
Valve Clearance (Cold)
Intake
Exhaust
CAPACITIES
Fuel Tank
Cooling System
Engine Crankcase:
With Filter
Rear Axle & Transmission (Includes
Hydraulics)
HST
Front Axle
COOLING SYSTEM
Type
Water Pump:
Type
Drive
Belt Deflection
Fan Diameter
Thermostat:
Start to Open
Fully Open
Radiator Cap
INTRODUCTION
Model
Boomer 20 -
Hydrostatic
Diesel
S3L
17 kW (23 Hp)
4
78 mm (3.07 in)
78.5 mm (3.09 in)
1.125 l (69 in³)
22.0:1
1-3-2
970±30 RPM
29000±20 RPM
2700 RPM
0.020 - 0.050 mm (0.0008 - 0.0020 in) 0.020 - 0.050 mm (0.0008 - 0.0020 in)
0.050 - 0.085 mm (0.0020 - 0.0033 in) 0.050 - 0.085 mm (0.0020 - 0.0033 in)
25 l (6.6 US gal)
3.8 l (1.0 US gal)
4 l (1.10 US gal)
20 l (5.28 US gal)
3 l (1 US gal)
Pressurized Liquid with Recirculating
Bypass
Centrifugal
V-Belt
10 - 12 mm (0.39 - 0.47 in) when
10 kg (22 lb) pressure is applied
midway between belt pulleys
356 mm (14 in)
76.5 °C (170 °F)
90 °C (194 °F)
90 kPa (13 psi)
48017684 02/06/2016
19
Model
Boomer 25 -
Hydrostatic
Diesel
S3L2
20 kW (27 Hp)
4
78 mm (3.07 in)
92 mm (3.62 in)
1.318 l (80 in³)
20.0:1
1-3-2
970±30 RPM
2900±20 RPM
2700 RPM
25 l (6.6 US gal)
3.8 l (1.0 US gal)
4 l (1.10 US gal)
20 l (5.28 US gal)
3 l (1 US gal)
Pressurized Liquid with Recirculating
Bypass
Centrifugal
V-Belt
10 - 12 mm (0.39 - 0.47 in) when
10 kg (22 lb) pressure is applied
midway between belt pulleys
356 mm (14 in)
76.5 °C (170 °F)
90 °C (194 °F)
90 kPa (13 psi)