Case 446 User Manual

ENGINE SPECIFICATIONS
GENERAL
446
Type
ONAN
Model
B43M/GA016
Cycle .
4
Cylinders
2
.' Cyl inder Bore
3.25 in. (82.5
mm)
Stroke ..
2·5/8 in. (66.6 mm)
Piston
Displacement.
43.3 eu. in. (713 ee)
Horsepower
16
@3600 RPM
Compression Ratio .
7
to 1
Full Load Speed
3500 RPM
No load Speed
3600 RPM
Idle Speed . . .
1200 RPM
Valve Clearance Cold
(I ntake) .
.007
.. 009 in (0.17 mm· 0.22 mm)
Valve Clearance Cold (Exhaust) ..
.012· .014 in. (0. 30 mm· 0.35 mm)
PISTON AND CONNECTING ROD
Piston
Compression
Rings
Oil Rings
Connecting Rod
..
FUEL SYSTEM
Filter Screen . . . .
Fuel Tank Capacity
IGNITION SYSTEM
Breaker Point Gap
Ignition Timing
Spark Plug .... . ... ... . . . .. . .. .
Thread
...... . .. . .. . .... . .
Gap
.. . .. . . ...... .. .
COOLI NG SYSTEM
Flywheel Blower ...... .. .. .. . . .. .
Aluminum
2
1
Aluminum
I n tank outlet fitting
3 Gallons (11.4 I)
.021 in. (0.53 mm)
21°·
BTDC
Prestolite 14 L4 or equivalent
Prestolite
14Rl4 or equivalent
in Canada
14MM
.025" (0.64 mm)
Forced air
with baffles directing air
around finned cylinder and head area .
· 5·

Case 446 Specifications

General

Brand	Case
Model	446
Category	Tractor
Language	English