Yanmar Engine: Models 30885 And 30887 - Toro Groundsmaster 4500-D Series Service Manual

Yanmar Engine: Models 30885 and 30887

Yanmar Diesel Engine: General Information
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The engine used on Groundsmaster models 30885 and 30887 is a Yanmar
TNV Series, turbocharged, diesel engine that complies with EPA Tier 4 final
emission regulations. The T4 engine features include an electronic control unit
(ECU) that controls a common rail, direct fuel injection system, water−cooled
exhaust gas recirculation (EGR), an exhaust system diesel oxidation catalyst
(DOC) and an exhaust diesel particulate filter (DPF) with active regeneration.
Glow plugs are used to assist starting the engine. Numerous engine sensors
are used to allow the engine ECU to monitor and control engine operation for
optimum engine performance.
During the operation of the engine, if conditions warrant, the engine ECU may
generate an engine fault. Use the machine InfoCenter to identify the engine
fault; refer to the Yanmar Troubleshooting Manual, or contact an Authorized
Toro Distributor for assistance.
Figure 10
Page 4–6 Groundsmaster ® 4500-D/4700-D
19245SL Rev A