Kubota DG972 E2, Applications Manual, Page: 24 / 93

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(2) Exhaust System (See EXHAUST SYSTEM section) : (WG752, WG972)
• Exhaust system means the layout of all parts from exhaust manifold to exhaust exit to atmosphere.
• Kubota offers certified catalytic mufflers and catalytic converters.
You must only use Kubota certified catalyst parts (Important) and assemble the exhaust parts according to
instructions as specified in the EXHAUST SYSTEM section of this manual.
Catalyst parts other than Kubota must not be used because other catalyst is not certified our engine.
You must install the exhaust system confirmed at application review and/or the Exhaust Emission Check Sheet
for mass-production.
(Important)
• You must consult Kubota based on the Exhaust Emission Check Sheet when you change the exhaust parts after
application review. Do not change without the consultation with Kubota.
(3) High Altitude Operation (See FUEL SYSTEM section) : (WG752, WG972)
• Kubota prepared genuine altitude compensation kit.
The ultimate users must comply with the regulations through the installation of the appropriate altitude
compensation kit.
(4) Evaporative Emission Controls
(See EVAPORATIVE EMISSION CONTROL section) : gasoline fuel
• If your equipments use a volatile liquid fuel (such as gasoline), they must meet the evaporative emission
standards of 40 CFR part 1060,as described in §1054.112.
(5) Engine Set Speed
(Mechanical Governor specification)
• You should operate the engine within the range of engine speed set at the time of Kubota shipment
(without parasitic load).
• You should use the speed control lever and/or the governor lever when the speed change.
(Electronic Governor specification)
• If you use the electronic governor, consult Kubota before the application review.