Colorado Standby Generators
Lowest Prices on Onan Generators PERIOD!

Call us at 719-264-0020 or email us at info@coloradostandby.com


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CSB is an exclusive dealer for the complete line of Onan generators and accessories. We offer Onan RV, Portable, Diesel, Home Standby, and Commercial power generators and accessories with a full warranty at wholesale costs. Based in Colorado Springs, CO, we offer our products nationwide.

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medium speed diesel generator


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micro lite generator

Commercial Mobile Marquis 7000 Series 7.0HGJ-AE_2132 7.0HGJ-AE_1912 7.0HGJ-AE_2134 7.0HGJ-AE_2137 6.5HGJ-AE_2145 6.5NHD-FB_1 Onan Commercial Emerald 6500 GenSet Emerald Advantage Series - RV Emerald Advantage 5500 LPV RV Emerald Advantage 5500 GAS RV Emerald Advantage 6500 LPV RV Emerald Advantage 7000 GAS - RV gensets with digital voltage regulation for stability during appliance load changes. Perfect for trailers and fifth-wheels, Class Cs and As. Commercial Diesel GenSets - Commercial Diesel 7500 GenSet Designed for heavy-duty commercial applications, our 7.5 kW Diesel GenSets offer bullet-proof reliability and easy starting in severe weather conditions.

Diesel Fueled Prime Power Generator kW Lp Vapor Fueled Prime Power Generator 2.5KV-FA_26120 Onan RV MicroLite 2500 Generator 2.8KV-FA_26100 Onan RV MicroLite 2800 Generator 3.6KY-FA_26120 Onan RV MicroQuietTM 3600 Generator 5.5HGJ-AB_901 Onan RV Marquis Gold 5500 GenSet 5.5HGJ-AC_1121 Onan RV Emerald Advantage 5500 GenSet 5.5HGJ-AC_907 Onan RV Emerald Advantage 5500 GenSet 20GGDB_671 Onan RS20000 Home Standby GenSet



More information about:

medium speed diesel generator

We offer Onan RV, Portable, Diesel, Home Standby, and Commercial power generators and accessories with a full warranty at wholesale costs. They feature overhead-valve engines for quiet operation and fuel conservation, extra-large fuel tanks, simultaneous AC/DC power, automatic oil-level shutdown and GFCI circuit breakers. 6.3NHE-FA_11500 Onan RV Emerald Plus 6300 Generator 6.5HGJ-AB_904 Onan RV Marquis Gold 6500 GenSet 6.5HGJ-AC_910 Onan RV Emerald Advantage 6500 GenSet 10.0HDC-AA_11506 Onan RV Quiet Diesel 10000 Generator 12.5HDC-AB_11506 Onan RV Quiet Diesel 12500 Generator

Colorado Standby's Solar Solutions: FULL LINE of Solar products coming soon! 4.5BGD-FB_1 Onan Commercial Emerald 4500 GenSet 5.5HGJ-AE_2131 Onan Commercial Marquis 5500 Genset 5.5HGJ-AE_2135 5.5HGJ-AE_2136 5.5HGJ-AE_2144 7.0HGJ-AE_2132 7.0HGJ-AE_1912 7.0HGJ-AE_2137 6.5HGJ-AE_2145 Emerald Plus Series - RV generators - RV Emerald Plus 4000 LPV RV Emerald Plus 4000 GAS RV Emerald Plus 6300 LPV - Compact and smooth-running gasoline/LP gensets for trailers and fifth-wheels, Class Cs and As.



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medium speed diesel generator

5.5HGJ-AF_2108 Onan Commercial Mobile Emerald 5500 5.5HGJ-AF_1914 5.5HGJ-AF_1916 5.5HGJ-AF_2109 7.0HGJ-AF_2111 7.0HGJ-AF_1913 7.0HGJ-AF_2112 6.5HGJ-AF_2113 7.0HGJ-AB_1036 Onan RV Marquis Gold 7000 GenSet 7.0HGJ-AB_900 Onan RV Marquis Gold 7000 GenSet 7.0HGJ-AC_906 Onan RV Emerald Advantage 7000 GenSet 5.5HGJ-AD_2138 Onan Commercial Marquis EFI 5500 GenSet 5.5HGJ-AD_2140 5.5HGJ-AD_2142 7.0HGJ-AD_2139 7.0HGJ-AD_2141 7.0HGJ-AD_2143 Residential Standby Gensets - RS12000 (Standard) RS12000 (Carb Certified) RS15000 (LP Vapor) RS15000 (Natural Gas) RS20000 (LP Vapor) RS20000 (Natural Gas) RS45000 (LP Vapor) RS45000 (Natural Gas) - Onan produces four fully automatic home standby generators, the RS12000, RS15000, RS20000, and RS45000, fueled by either LP Vapor, LP Liquid Withdrawal, or Natural Gas.

When the utility power is restored, the transfer panel automatically transfers back to utility power, shutting down and instantly resetting itself for the next power interruption with no action required by the homeowner. Clearance Specials - RV generators - Once they're gone, they're gone! We only have a limited number of these models left. Each unit includes a full factory warranty and the price includes shipping! 16GNAC_2067 Onan RS15000 Home Standby GenSet 4.0EGH-EB_38018 Onan Pro Series 4000 Electric Start Portable Genset


Here are spec sheets for our generators

camp_power_2800.pdf
cme_5500.pdf
cme_7000.pdf
cmm_5500.pdf
cmm_7000.pdf
cmm_efi_5500.pdf
cmm_efi_7000.pdf
cmqd_10000.pdf
cmqd_12000.pdf
cmqd_7500.pdf
comm_emer_4500.pdf
emer_adv_5500.pdf
emer_adv_7000.pdf
emer_plus_4000.pdf
emer_plus_6500.pdf
microlite.pdf
microquiet.pdf
quiet_diesel_10000_12000.pdf
quiet_diesel_7500_8500.pdf
rs12000.pdf
rs15000.pdf
rs20000.pdf
rs45000.pdf
rst.pdf
rsz.pdf
marquis_gold_7000.pdf
marquis_gold_5500.pdf
maintenance_schedule.pdf

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