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Home›Engines›Cummins/Onan QST30-G2

Cummins/Onan QST30-G2 Engine

Part of the Cummins/Onan QST30 engine family — 7 variants share parts & fitment.

Engine specifications

Displacement30.5 L
Cylinders12
Aspirationturbocharged and aftercooled
Rated speed1800 rpm
Oil capacity140.0 L
Gross power895 kW

Equipment powered by this engine

196
CASE CX210BCASE CX210BLRCASE CX210BNLCCASE CX210C LCCASE CX210C LRCASE CX210C NLCCASE CX225SRCASE CX235C SRCASE CX240BCASE CX240BLRCASE CX250CCASE CX290BCASE CX300CCASE CX330CASE CX350BCASE CX350CHitachi CX650-2Hitachi EX100-2Hitachi EX100-3Hitachi EX100-3CHitachi EX120-2Hitachi EX120-3Hitachi EX125WD-5Hitachi EX200-2Hitachi EX200-3Hitachi EX200-3CHitachi EX200-3EHitachi EX200-5Hitachi EX200-5 JPNHitachi EX200-5HGHitachi EX200-5HHEHitachi EX200-5LV JAPHitachi EX200-5X JPNHitachi EX200-5Z JPNHitachi EX200LC-5HHEHitachi EX200SS-5Hitachi EX210H-5Hitachi EX210H-5 JPNHitachi EX210K-5 JPNHitachi EX210MT-5 JPNHitachi EX300-2Hitachi EX300-3Hitachi EX300-3CHitachi EX300-5Hitachi EX300-5HHEHitachi EX300LCLL-5Hitachi EX310H-3CHitachi EX350H-5Hitachi EX350H-5HHEHitachi EX350K-5Hitachi EX370-5MHitachi EX370HD-5Hitachi EX385USRHitachi FV30Hitachi HC1110Hitachi HR1200S-5Hitachi HR900S-5Hitachi HR900SMHitachi LX130-7Hitachi MA145-5Hitachi RX2000-2Hitachi RX2300Hitachi SCX300-CHitachi SCX400Hitachi SCX400THitachi SCX500-CHitachi SCX500WHitachi SCX550-CHitachi SCX700Hitachi SR-G2000Hitachi ZAXIS120-3Hitachi ZAXIS130-5NHitachi ZAXIS130-6NHitachi ZAXIS135US-3Hitachi ZAXIS135US-5NHitachi ZAXIS135US-6NHitachi ZAXIS160LC-3Hitachi ZAXIS160LC-6NHitachi ZAXIS180LC-6NHitachi ZAXIS200FHitachi ZAXIS210-5AHitachi ZAXIS210-5GHitachi ZAXIS210-5NHitachi ZAXIS210F-3Hitachi ZAXIS210LC-5AHitachi ZAXIS210LC-5GHitachi ZAXIS210LC-5NHitachi ZAXIS210LC-6NHitachi ZAXIS245USLC-5NHitachi ZAXIS250FHitachi ZAXIS250LC-5GHitachi ZAXIS250LC-5NHitachi ZAXIS290LC-5GHitachi ZAXIS290LC-5NHitachi ZAXIS300LC-6NHitachi ZAXIS330Hitachi ZAXIS330LCHitachi ZAXIS350HHitachi ZAXIS350KHitachi ZAXIS350LC-3Hitachi ZAXIS350LC-5AHitachi ZAXIS350LC-5GHitachi ZAXIS350LC-5NHitachi ZAXIS350LCHHitachi ZAXIS370Hitachi ZAXIS370F-3Hitachi ZAXIS370MTHHitachi ZAXIS380LC-6NHitachi ZAXIS450LCHitachi ZAXIS450LC-3Hitachi ZAXIS650LC-3Hitachi ZAXIS800Hitachi ZAXIS850LC-3Hitachi ZAXIS870LC-5GHitachi ZX125WHitachi ZX200-3-HCMCHitachi ZX210H-3-HCMCHitachi ZX210H-3FHitachi ZX210K-3FHitachi ZX210LC-3-HCMCHitachi ZX240-3-HCMCHitachi ZX240-3FHitachi ZX240N-3FAMSHitachi ZX250-3-AMSHitachi ZX250H-3FHitachi ZX250K-3FHitachi ZX250LC-3-HCMCHitachi ZX250LC-3F-HCMEHitachi ZX250LCN-3FAMSHitachi ZX250LCN-3FHCMEHitachi ZX330Hitachi ZX330-3GHitachi ZX330-5GHitachi ZX330-HHEHitachi ZX330LC-5GHitachi ZX350-5GHitachi ZX350HHitachi ZX350H-3GHitachi ZX350H-5GHitachi ZX350H-HHEHitachi ZX350KHitachi ZX350K-3GHitachi ZX350K-5GHitachi ZX350LC-5GHitachi ZX350LC-AMSHitachi ZX350LC-HCMEHitachi ZX350LCH-5GHitachi ZX350LCK-5GHitachi ZX350LLHitachi ZX350MTH-AMSHitachi ZX350MTH-HCMEHitachi ZX350WHitachi ZX360LC-HHEHitachi ZX370MTHHitachi ZX450Hitachi ZX450HHitachi ZX450H-HHEHitachi ZX460LCH-AMSHitachi ZX460LCH-HCMEHitachi ZX470-5GHitachi ZX470H-5GHitachi ZX470LC-5GHitachi ZX470LCH-5GHitachi ZX470LCR-5GHitachi ZX470R-5GHitachi ZX480MTHitachi ZX480MTHHitachi ZX500LCHitachi ZX500LCHHitachi ZX500WHitachi ZX600Hitachi ZX650HHitachi ZX800Hitachi ZX850HHitachi ZX870-5GHitachi ZX870H-5GHitachi ZX870LC-5GHitachi ZX870LCH-5GHitachi ZX870LCR-5GHitachi ZX95Isuzu CVZIsuzu ELFIsuzu FORWARD1500Isuzu LT134John Deere 135CJohn Deere 180John Deere 180CWJohn Deere 210CWJohn Deere 225CL RTSJohn Deere 270C LCJohn Deere 330C LCJohn Deere 330C LC JDJohn Deere 350DLCJohn Deere 370C JDJohn Deere 800CJohn Deere Gen-A

Parts cataloged across the Cummins/Onan QST30 family

300
Part #DescriptionCategory
100-025-001Air Filterair_filter
100-029-001AIR FILTERair_filter
1007973Airair_filter
110331287Air, Primaryair_filter
110337797Air, Secondaryair_filter
110337854Air, Secondaryair_filter
11033838Airair_filter
110338381Airair_filter
11110175Air, Primary Magnum RSair_filter
11110176Air, Secondary Magnum RSair_filter
1132848Air, Primaryair_filter
140-3288-02Cleaner, Airair_filter
14589PLATE CAMSHAFT LOCATINGair_filter
2165039Airair_filter
2165059Air, Primaryair_filter
2339823Airair_filter
266787Air, Primaryair_filter
267953Air, Secondaryair_filter
26815Airair_filter
27407Airair_filter
279245Air, Secondaryair_filter
3044713Airair_filter
3214300100Compressor Airair_filter
3214300300Air, Primaryair_filter
3214300800Air, Primaryair_filter
3214303600Air, Primaryair_filter
3214304100Air, Primaryair_filter
3214305300Air, Secondaryair_filter
3214306500Air, Secondaryair_filter
3214306800Air, Primaryair_filter
3214308700Compressor Airair_filter
3388840M2Cab Airair_filter
3632350M1Air, Secondaryair_filter
3901475M1Relevage / Lift Kraftheberair_filter
3901476M1Relevage / Lift Kraftheberair_filter
3901477M1Relevage / Lift Kraftheberair_filter
3901478M1Relevage / Lift Kraftheberair_filter
3902782M1Airair_filter
4144966Air, Secondaryair_filter
4271467M1Air, Primary Magnum RSair_filter
4271468M1Air, Secondary Magnum RSair_filter
4319256Air, Secondaryair_filter
4319257Air, Primaryair_filter
49931583Airair_filter
5016603M1Airair_filter
5016604M1Airair_filter
609374Air, Secondaryair_filter
663856Air, Primaryair_filter
6I2503Air, Magnum RSair_filter
700274Air, Secondaryair_filter
700282Air, Primaryair_filter
701165Air, Primaryair_filter
70185128Airair_filter
70185824Airair_filter
70197588Air, Secondaryair_filter
70235449Airair_filter
70235863Airair_filter
70237395Airair_filter
70239518Airair_filter
70243163Airair_filter
70244728Airair_filter
702455Air, Primaryair_filter
702463Air, Secondaryair_filter
70257024Air, Primaryair_filter
70257029Air, Secondaryair_filter
70257597Airair_filter
70259793Air, Secondaryair_filter
70263434Air, Primaryair_filter
70263435Air, Secondaryair_filter
70264113Air, Secondaryair_filter
70264114Air, Primaryair_filter
70264115Air, Primaryair_filter
70264740Airair_filter
70264744Air, Primaryair_filter
70264745Air, Secondaryair_filter
70266786Air, Primaryair_filter
70267953Air, Secondaryair_filter
70267962Air, Secondaryair_filter
70269244Air, Primaryair_filter
70269245Air, Secondaryair_filter
70569300Cab Airair_filter
70620717Airair_filter
70622893Airair_filter
70632707Airair_filter
70634446Airair_filter
70638414Airair_filter
70638731Airair_filter
70659387Air, Primaryair_filter
70662477Air, Secondaryair_filter
70662609Air, Secondaryair_filter
70671838Air, Primaryair_filter
70671839Air, Secondaryair_filter
70684733Air, Primaryair_filter
70684734Air, Primaryair_filter
71004652Airair_filter
71167808Airair_filter
72083768Air, Secondaryair_filter
72083771Air, Primaryair_filter
72097035Airair_filter
72097371Airair_filter
72097407Airair_filter
72162545Air, Primaryair_filter
72163296Air, Secondaryair_filter
72257812Airair_filter
73040631Airair_filter
73042190Airair_filter
73046858Airair_filter
73622243Air, Primaryair_filter
74052520Airair_filter
74059292Airair_filter
74379069Airair_filter
74993158Airair_filter
74996245Airair_filter
74997568Airair_filter
79011386Air, Primaryair_filter
79011387Air, Secondaryair_filter
8022345Air, Panelair_filter
8422800Air, Primaryair_filter
AF1601MAirair_filter
AF1638Air, Primaryair_filter
AF1639Air, Secondaryair_filter
AF1658KAirair_filter
AF1686Air, Panelair_filter
AF1695Cab Airair_filter
AF1727Air, Panelair_filter
AF1733KAir, Primaryair_filter
AF1735KAir, Primaryair_filter
AF1767Air, Secondaryair_filter
AF1768MAir, Primaryair_filter
AF1791Airair_filter
AF1830KMAir, Primaryair_filter
AF1839Air, Secondaryair_filter
AF1840Airair_filter
AF1841Air, Secondaryair_filter
AF1842Air, Secondaryair_filter
AF1843Air, Secondaryair_filter
AF1887MAirair_filter
AF1917MAir, Primaryair_filter
AF1934MANDAirair_filter
AF1935MAirair_filter
AF1972Airair_filter
AF25057Airair_filter
AF25064Airair_filter
AF25065Air, Primaryair_filter
AF25067Airair_filter
AF25129MAir, Magnum RSair_filter
AF25352Airair_filter
AF25376Airair_filter
AF25425Airair_filter
AF25454Air, Primary Magnum RSair_filter
AF25468Air, Secondary Magnum RSair_filter
AF25481Air, Primaryair_filter
AF25491Air, Secondary Magnum RSair_filter
AF25558Air, Secondaryair_filter
AF25617Air, Primaryair_filter
AF25618Air, Secondary Magnum RSair_filter
AF25723Airair_filter
AF25724Airair_filter
AF25729Airair_filter
AF25730Airair_filter
AF25748air_filter
AF25749air_filter
AF25849Cab Airair_filter
AF25964Air, Primary Magnum RSair_filter
AF263Airair_filter
AF26393Airair_filter
AF26394Airair_filter
AF26395Airair_filter
AF26396Airair_filter
AF26398Airair_filter
AF26399Air, Primaryair_filter
AF26400Air, Secondaryair_filter
AF26401Airair_filter
AF26402Airair_filter
AF289air_filter
AF291Airair_filter
AF303Airair_filter
AF303ANDAir, Primaryair_filter
AF335MAir, Primaryair_filter
AF338Air, Secondaryair_filter
AF349Air, Primaryair_filter
AF349MAirair_filter
AF350KAirair_filter
AF350KMAirair_filter
AF351KAirair_filter
AF351KMAirair_filter
AF353KMAirair_filter
AF362Airair_filter
AF4058Air, Primaryair_filter
AF4059KAirair_filter
AF4060Air, Primaryair_filter
AF4066Airair_filter
AF4067Airair_filter
AF409KAirair_filter
AF4100Airair_filter
AF4103Air, Secondaryair_filter
AF4124Airair_filter
AF4135Airair_filter
AF4150Air, Secondaryair_filter
AF4164KAir, Primaryair_filter
AF4165Air, Secondaryair_filter
AF417KAirair_filter
AF418Air, Primaryair_filter
AF418MAir, Primaryair_filter
AF424air_filter
AF424MAir, Primaryair_filter
AF427MAirair_filter
AF434KMAir, Primaryair_filter
AF435KMAirair_filter
AF436MAirair_filter
AF437KAirair_filter
AF448Airair_filter
AF4521Air, Secondaryair_filter
AF4522Air, Secondaryair_filter
AF4523air_filter
AF453Airair_filter
AF4553MAir, Primaryair_filter
AF4554MAir, Secondaryair_filter
AF456air_filter
AF4567air_filter
AF4581air_filter
AF4589Airair_filter
AF459Airair_filter
AF461Airair_filter
AF4626Air, Secondaryair_filter
AF4713air_filter
AF471MAir, Secondaryair_filter
AF472ANDAirair_filter
AF472MAir, Primaryair_filter
AF4734Air, Secondaryair_filter
AF4748KAir, Primaryair_filter
AF4754Air, Primaryair_filter
AF4755Air, Secondaryair_filter
AF4757Airair_filter
AF4758KMAirair_filter
AF4807Air, Panelair_filter
AF4828Air, Secondaryair_filter
AF4838ANDAirair_filter
AF486KAir, Primaryair_filter
AF487Air, Secondaryair_filter
AF4896Airair_filter
AF490MAir, Secondaryair_filter
AF491Airair_filter
AF492Airair_filter
AF493Airair_filter
AF4994Air, Secondaryair_filter
AF804MAir, Secondaryair_filter
AF819KMAirair_filter
AF820MAir, Secondaryair_filter
AF821MAir, Primaryair_filter
AF835KAirair_filter
AF843Airair_filter
AF886MAirair_filter
AF929Air, Secondaryair_filter
AF937Air, Secondaryair_filter
AF939Air, Primaryair_filter
AF940KAirair_filter
AF955air_filter
AF956Mair_filter
AF964Air, Primaryair_filter
AF979MAir, Primaryair_filter
AF987Air, Secondaryair_filter
AF988Air, Secondaryair_filter
AF990Airair_filter
AF991Airair_filter
AH1198Airair_filter
C30810Airair_filter
CF810Airair_filter
P122115Air, Panelair_filter
P122425Air, Secondaryair_filter
P126318Air, Primaryair_filter
s9001039Air Cleaner Precleanerair_filter
3377193Battery Testerbattery_tester
08a00029Drive Belt, Cooling Fanbelt
100-028-001Coolant Filterbelt
100-031-001BELTbelt
13800007Drive Belt, Alternatorbelt
3822524Use on v-belts ( 3/8 to 7/8) and v-ribbed belts with 5 ribs or less.belt
3822525Use on v-beits larger than 7/8 in. and v-ribbed belts with 6 or more ribs.belt
A40-TB1-2SWITCHED B+belt
A40-TB1-4GROUNDbelt
A40-TB1-7COMMON ALARMbelt
ST669water pump type grease listed below, or its equivalentbelt
01a0028Bolts, couplingbolt
3825183INSITE™ cablecable
49400361Common Alarm Circuitcommon_alarm_circuit
49400355Common Warning Circuitcommon_warning_circuit
19200001Fuel pump connectorconnector
3621208B Connector DRC26-40SB-LO11connector
3656990Connector Socket 0462-201-20141connector
3657034Cavity Plugs 0413-204-2005connector
3822917Female 3822917connector
3823995Weatherpack Deutsch/Metri-Pac Male 3823993connector
3823996Weatherpack Deutsch/Metri-Pac Male 3823994connector
3824811Test lead for 9-pin Deutsch connectorconnector
3824812Weatherpack Deutsch Female 3824811connector
1076751M1Water, Spin-Oncoolant_filter
16998304Water, Spin-Oncoolant_filter
28043Coolantcoolant_filter
3315116Cummins Part No. DCA4 Unitscoolant_filter

Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.

Also powers generators

This engine powers 9 generator set(s) on Facts About Generators — same parts apply.

Common questions

What machines use the Cummins/Onan QST30-G2 engine?

The Cummins/Onan QST30-G2 engine powers 196 machine(s), including CASE CX210B, CASE CX210BLR, CASE CX210BNLC, CASE CX210C LC, CASE CX210C LR.

What size is the Cummins/Onan QST30-G2 engine?

The Cummins/Onan QST30-G2 has a displacement of 30.5 liters.