Spec Sheet - Kohler Engines
Spec Sheet - Kohler Engines
Spec Sheet - Kohler Engines
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Technical Drawings<br />
Standard Equipment<br />
403.0/15.86 335.5/13.20<br />
120.0/4.72<br />
120.0/4.72<br />
196.70/7.74<br />
• Recoil Start with Automatic Compression Release<br />
• Fuel Tank<br />
• Fuel Filter<br />
• Dry Air Cleaner<br />
• Muffler with Guard<br />
• Accelerator and Stop Manual Control<br />
• 12 V Electric Start with Control Panel<br />
• SAE J609a Ext 4 Crankshaft with Type B<br />
Mounting Flange<br />
• Fuel Safety Shutdown for Low Oil Pressure<br />
4 of 4<br />
Form E-2148 9/10<br />
© 2010 by <strong>Kohler</strong> Co.<br />
Printed in U.S.A.<br />
KOHLER® Diesel<br />
Model KD420<br />
512.0/20.15<br />
509.0/20.03<br />
488.0/19.21<br />
155.0/6.10<br />
45.0/1.77<br />
4.0/<br />
0.15<br />
14.0/0.55<br />
54.0/2.12<br />
138.5/5.45<br />
99.0/3.89<br />
5.5/0.21<br />
31.0/1.22<br />
5.5/0.21<br />
8.0/0.31<br />
96.0/3.77<br />
203.5/8.01<br />
Accessories<br />
KOHLER Co., <strong>Kohler</strong>, Wisconsin 53044 • Tel: 920-457-4441<br />
800-544-2444 • Fax: 920-459-1570 • <strong>Kohler</strong><strong>Engines</strong>.com<br />
• Internal Dynamic Balancer<br />
• 24 V Electric Start<br />
• Accelerator and Stop Remote Control<br />
• Key Start Panel with Shutdown Device<br />
• Fuel Lift Pump<br />
• Oil Temperature Switch<br />
• Glow Plug on Intake Manifold<br />
• SAE J609a Ext 9, 6 and 3 Integral Crankshafts<br />
with Type B Mounting Flange<br />
• Extended Wiring Harness<br />
49.0/1.92<br />
135.0/5.31<br />
120.0/4.72 120.0/4.72<br />
105.0/4.13<br />
23.0/0.90<br />
5.0/0.19<br />
21.0/0.82<br />
25.0/0.98<br />
4.0/0.15<br />
8.0/0.31<br />
5.0/0.19<br />
33.0/1.29
Certification<br />
1 Cylinder • 442 cc • 7.3 kW/9.8 hp • 3600 rpm • 17 ft lbs @ 2200 rpm<br />
• EPA Tier 4 (Hand-Start Provision)<br />
• ECE R 24<br />
Features<br />
• 4-Stroke Air-Cooled Diesel Engine<br />
• SAE J609a Crankshaft<br />
• Counterclockwise Rotation<br />
• Direct Injection<br />
• Full-Pressure Lubrication<br />
• Centrifugal Mass Governor<br />
• Built-In Full-Flow Oil Filter<br />
• Oil-Breathing Blow-By with Safety Device<br />
• Automatic Extra-Fuel Starting Device<br />
• Self-Bleeding Fuel System<br />
• Torque Regulator<br />
• Automatic Compression Release<br />
• Die-Cast Aluminum Crankcase<br />
with Integral Cast-Iron Cylinder Liner<br />
• Aluminum Cylinder Head<br />
• Mounting Feet<br />
• Hydraulic Valve Lifters<br />
• EGR System<br />
Applications<br />
• Two-Wheel Tractor<br />
• Agricultural Mower<br />
• Water Pump<br />
• High-Pressure Cleaner<br />
• Generator<br />
• Vibrating Plate<br />
• Hydraulic Power Pack<br />
• Vibrating Roller<br />
Relentless Power.<br />
Legendary Performance.<br />
KOHLER® Diesel<br />
Model KD420<br />
1 of 4<br />
© 2010 by <strong>Kohler</strong> Co.
<strong>Spec</strong>ifications<br />
Cylinders<br />
Displacement<br />
Bore<br />
Stroke<br />
Compression Ratio<br />
Rating kW/hp<br />
Maximum Torque<br />
Minimum Idling Speed rpm<br />
Fuel Tank Capacity<br />
Oil Consumption<br />
Oil Sump Capacity<br />
Minimum Allowable Oil Pressure<br />
Maximum Allowable Angle of Operation (Peak Values)<br />
Volume of Air Required for Correct Combustion @ 3600 rpm<br />
Volume of Air Required for Correct Cooling @ 3600 rpm<br />
Dry Weight<br />
Recommended Minimum Battery Size<br />
Minimum Pulley Diameters for Belt Drive<br />
D (mm) ≥ 620 [66+L (mm)] N (kW)<br />
1 2<br />
n (rpm)<br />
D (mm) ≥ 650 [53+L (mm)] N (kW)<br />
2 1<br />
n (rpm)<br />
Maximum Allowable Axial Load in Both Directions<br />
A-B = 200 kg/441 lbf KOHLER® Diesel<br />
Model KD420<br />
Sound Pressure Level dBA<br />
Sound Pressure Level Polar Diagram<br />
Open Field at 7 Meters – No Load<br />
Running Engine<br />
2 of 4 <strong>Kohler</strong><strong>Engines</strong>.com<br />
© 2010 by <strong>Kohler</strong> Co.<br />
No. of Cylinders 1<br />
cc/cu in 442/27<br />
mm/in 86/3.4<br />
mm/in 76/3.0<br />
20.3:1<br />
N (80/1269/CEE) ISO 1585 7.3/9.8<br />
NB ISO 3046 IFN 7.0/9.3<br />
NA ISO 3046 ICXN 6.4/8.6<br />
Nm/ft lbs @ 2200 rpm 23/17<br />
950-1000<br />
liters/quarts 5/5.3<br />
kg/h/lb/h 0.0044/0.0097<br />
liters/quarts 1.5/1.6<br />
bar/psi 1-1.5/14.5-21.8<br />
25° (35°)<br />
liters/min/cfm 580/20<br />
liters/min/cfm 5500/194<br />
kg/lb 45/99.1<br />
V/CCA Standard, Heavy-Duty 12/420, 510<br />
1000 rpm<br />
2000 rpm<br />
dBA<br />
80<br />
70<br />
65<br />
3000 rpm<br />
3600 rpm
Curves<br />
KOHLER® Diesel<br />
Model KD420<br />
N Power Curve – 80/1269/CEE – ISO 1585<br />
NB Power Curve – ISO 3046/1 – IFN<br />
NA Power Curve – ISO 3046/1 – ICXN<br />
MN Torque Curve – (N Curve)<br />
MB (B Curve – MA (A Curve)<br />
C <strong>Spec</strong>ific fuel consumption – (NB Curve)<br />
<strong>Kohler</strong><strong>Engines</strong>.com 3 of 4<br />
© 2010 by <strong>Kohler</strong> Co.
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