6 Owner’s Manual for Flameless Air Heater
General Information
Emissions Information
For emissions information, see the OEM manual.
Engine Oil Recommendations
NOTE: Certain brands/types of oil can be used regard-
less of specified API or ACEA grade.
Figure 2-1. Engine Oil Viscosity Chart for 550F
NOTE: For temperatures below -13° F (-25° C), use SAE
5W30.
Engine capacity: 9.8-12.9 qt (9.3-12.1 L).
For more information, see the engine manual.
Coolant Recommendation
Use of improper coolants can damage the engine cooling
system. Use demineralized water or distilled water for
best results. Hard water causes scale deposits, which
reduces cooling efficiency and raises internal
temperatures, possibly leading to engine damage.
Where the atmospheric temperature falls below freezing
point, the cooling system should be drained after engine
operation, but to eliminate the need for repeated draining
and refilling, the use of antifreeze solution is highly
recommended. Follow these antifreeze/water guidelines:
• A 50/50 ethylene glycol base antifreeze/water mix,
which provides protection to -34°F (-37°C), is rec-
ommended for use in this engine.
• Never exceed a 60/40 antifreeze/water mix, which
provides protection to about -58°F (-50°C).
• Any coolant must be nitrite free and meet the per-
formance standards of ASTM D6210.
System capacity (engine only): 4.5 qt (4.3 L).
For more information, see the engine manual.
Fuel System
The engine is designed to use either Number 1-D or
Number 2-D diesel fuel.
• For better fuel economy, use Number 2-D diesel
fuel whenever possible.
• At temperatures below 20° F (-7° C), use Number
1-D or a winterized blend (check with the service
station operator to ensure you get the properly
blended fuel).
The following are required for the diesel fuel:
• Must be free from dust particles
• Must have adequate viscosity
• Must have high cetane value
• Must have high fluidity at low temperature
• Must have low or ultra-low sulfur content
EPA requirement; varies by geographic location
• Must have little residual carbon
If fuel other than what is specified is used, engine
function will be lowered. For more information, see the
engine manual.
Fuel tank capacity: 159 gal (602 L).
Grade Type
API CD, CE, CF, CF-4, CH-4, CI-4, CI-4 plus
ACEA A3/B3, A3/B4, A5/B5, E2, E3, E4, E5, E7
JASO DH-1
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JIS (Japanese Industrial Standard) No. 2
DIN (Deutsche Industrie Normen) DIN 51601
SAE (Society of Automotive Engineers)
Based on SAE-J-313C No. 2-D
BS (British Standard)
Based on BS/2869-1970 Class A-1
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