New Holland Boomer 20, Service Manual, Page: 32 / 41

INTRODUCTION
Model
Boomer 20 -
Mechanical
Model
Boomer 25 -
Mechanical
Forward 3rd Low
4.34 km/h ( 2.70 mph ) 4.34 km/h ( 2.70 mph )
Reverse Low 2.24 km/h ( 1.39 mph ) 2.24 km/h ( 1.39 mph )
Forward 1st High 5.18 km/h ( 3.22 mph ) 5.18 km/h ( 3.22 mph )
Forward 2nd High 8.75 km/h ( 5.44 mph ) 8.75 km/h ( 5.44 mph )
Forward 3rd High 18.02 km/h ( 11.20 mph ) 18.02 km/h ( 11.20 mph )
Reverse High 9.30 km/h ( 5.78 mph ) 9.30 km/h ( 5.78 mph )
CAST IRON WEIGHTS
Front End:
With weight extension bracket
installed.
(5) weights @ 26 kg ( 60 lb ) each (5) weights @ 26 kg ( 60 lb ) each
Rear Wheel:
R-4 Tires NA NA
Turf Tires NA NA
DRAWBARS
Extendible
Standard Standard
TIRES
FRONT
Ag
23x10.5–12, 107 A8TL,R1 23x10.5–12, 107 A8TL,R1
Turf: 23 x 8.50–12, 6PR, R3 23 x 8.50–12, 6PR, R3
Industrial: 23 x 8.50–12, 6PR, R4 23 x 8.50–12, 6PR, R4
Flotation 250/60–12, 110 A6 250/60–12, 110 A6
Garden Pro 220/55R12,
82A8 220/55R12,
82A8
AG Narrow 1 6–12, 4PR 6–12, 4PR
AG Narrow 2 6–12, 4PR 6–12, 4PR
REAR:
Ag
255/75–15.3, 119 A8TL,R1 255/75–15.3,, 119 A8TL,R1
Turf 33 x 12.50–16.5, 4PR, R3 33 x 12.50–16.5, 4PR, R3
Industrial 12.00–16.5, 10PR, R4 12.00–16.5, 10PR, R4
Flotation 380/55–17,
138 A8 380/55–17,
138 A8
Garden Pro 280/70R16,
112A8 280/70R16,
112A8
AG Narrow 1 9.5–16, 6PR 9.5–16, 6PR
AG Narrow 2
9.5–16, 6PR 9.5–16, 6PR
WHEEL BOLT TORQUES
Front Wheel --- Disc-to-Hub:
FWD
93 - 108 N·m ( 69 - 80 lb ft ) 93 - 108 N·m ( 69 - 80 lb ft )
Rear Wheel --- Disc-to Axle 177 - 196 N·m ( 131 - 145 lb ft ) 177 - 196 N·m ( 131 - 145 lb ft )
ROPS ATTACHING BOLT TORQUES
ROPS to Rear Axle 85 N·m ( 63 lb ft ) 85 N·m ( 63 lb ft )
Seat Belt 49 N·m ( 36 lb ft ) 49 N·m ( 36 lb ft )
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