General Specification - New Holland CR6.80 TIER 4B Service Manual

General specification

FEEDER
Number of chains
Chain type
Number of slats
Slat type
Driveline (fixed) 3HB for corn/2HB for grain - belt main shaft to feeder jack shaft, 4HB for corn/2HB for grain
- belt to header jack shaft (standard 4HB for Dynamic Feed Roll™ system), 3HB belt and
Driveline 3HB belt main shaft to variable drive, HQ belt, hydraulically shifted variable driver to torque
(variable) sensing sheave on feeder drive jack shaft, 4HB for corn/2HB for grain - belt to header jack shaft
(standard 4HB for Dynamic Feed Roll™ system), 3HB belt and chain to feeder pivot shaft
Feeder clutch
Header lift
cylinders,
diameter (without
DFR)
Header lift
cylinders,
diameter (with
DFR)
Reverser system
Stone trap
Floor plates
THRESHING
Threshing drive
Rotor speed, 2
speed, high speed
(low range)
Rotor speed, 2
speed, high speed
(high range)
Speed control
Main drive
Rotor drive,
variable
Rotors
Rotor diameter
Rotor length
Length of auger
section
Length of
threshing section
Length of
separation section
Length of
discharge section
Rotors, small grain, maize, bean
Number of
raspbars
Number of
agitator pins
Rotors, Twin Pitch
Number of
raspbars
CR6.80 CR6.90
3
36
70 mm (2.76 in) / 75 mm (2.95 in)
80 mm (3.15 in)
Automatic Stone Protection (ASP) system with floor mounted sensors
439 - 926 RPM
887 - 1868 RPM
5HB belt, engine gearbox to main jackshaft
HQ belt, hydraulically shifted variable driver sheave to torque sensing sheave
432 mm (17 in)
6 leading hard-faced heat-treated, 6 trailing
12 separating
32
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INTRODUCTION
CR7.90
CA577; hard chrome plated pins
S‐slat
chain to feeder pivot shaft
Hydraulic multi‐plate
Hydraulic, bi‐directional
Dynamic Feed Roll™ system
solid or perforated
Electric over hydraulic
2638 mm (103-7/8 in)
390 mm (15-3/8 in)
728 mm (15-3/8 in)
1090 mm (42-3/8 in)
419 mm (16-1/2 in)
20
CR8.90
4
42
70 mm (2.76 in) / 75 mm (2.95 in) /
80 mm (3.15 in)
80 mm (3.15 in) / 90 mm (3.54 in)
331 - 697 RPM
668 - 1400 RPM
559 mm (22 in)
9 leading hard-faced heat-treated
18separating
38
CR9.90