ARI Agent Retrieval Index

Generator entity · Inverter (portable)

DuroMax XP9000iH

High-output dual-fuel digital inverter: 7,600 W running / 9,000 W peak on gasoline (7,200/8,550 W propane), 120/240 V with an L14-30R and four GFCI outlets, CO Alert shutdown, 68 dB at 25% load, and 11 h at 50% load — 107.5 kg cart-style.

brand: DuroMax family: iH (dual-fuel inverter) fuel: Gasoline + Propane (LPG) confidence: medium updated: Jul 8, 2026

Outdoor use only. Fuel-burning generators produce carbon monoxide and must never run indoors, in garages, or near openings — regardless of CO-shutdown features. This unit: automatic co shutdown present (CO Alert). Home-circuit connection requires a proper transfer switch installed by an electrician; never backfeed an outlet. Follow the manufacturer's manual.

Machine summary · generator · duromax-xp9000ih

brand
DuroMax
model_name
XP9000iH
generator_type
inverter_portable
fuel
gasoline+propane
running_watts
7600
starting_watts
9000
voltage
120/240V
co_shutdown
present
rv_outlet_present
false
weight_kg
107.5
confidence_level
medium
source_last_checked
2026-07-08
json_export
/generators/duromax-xp9000ih.json

Overview

The XP9000iH brings inverter output to home-backup wattage: a 459 cc engine and digital inverter producing 7,600 W running / 9,000 W peak on gasoline (7,200/8,550 W propane), with 120/240 V output through an L14-30R, four GFCI 5-20R outlets, USB-A/USB-C, and an ATS plug for automatic transfer switches. CO Alert shuts the engine down on CO buildup. Runtime reaches 11 h at 50% load (20 h at 25%) on the 6.9 gal tank, or 9 h at 50% on a 40-lb propane tank, with load-following idle. Noise is 68 dB at an official 25% load basis (no distance stated). DuroMax markets 'Low THD' but publishes no number, so THD is null and sensitive-electronics suitability stays at medium. 'RV Ready' marketing again lacks a TT-30R — the official sales sheet shows the 30 A twist-lock as adapter-based — so RV outlet presence is false.

Variant note: Not to be confused with the XP9500iH sibling or larger iH-series units (XP11000iH/XP16000iH). Manual revision 06/05/2023. Retail exclusivity indicated on the product page.

Data note: THD null per policy: 'Quiet, Low THD' marketing with no numeric % on page, manual, or sales sheet. rvOutletPresent=false despite 'RV Ready: Yes' — no TT-30R; the sales sheet shows '120V 30A Twist Lock (Adapter)'. CARB conflict: manual spec table 'Emissions Compliance EPA/CARB' vs page 'EPA Certified Yes / 50 State Emissions No' — both recorded, field null. Weight: page dry weight 237 lb (107.5 kg) matches the manual; page also lists 253 lb (basis unstated). The manual contains an apparent copy error ('30A Circuit Breaker - Protects the 50A outlets') — panel has a 30 A twist-lock, no 50 A outlet. ATS plug and parallel ports noted outside the receptacle map.

Specifications

Running and starting watts are never collapsed; every runtime figure carries its fuel and load basis; THD is shown only when officially stated numerically. Core values' original claims and sources are in the provenance table. The final group is computed from the fields above and marked as derived.

Output
AttributeValue
Running (rated) watts 7,600 W
Starting (peak) watts 9,000 W
Running watts by fuel Gasoline: 7,600 W · Propane (LPG): 7,200 W
Starting watts by fuel Gasoline: 9,000 W · Propane (LPG): 8,550 W
Voltage 120/240V
Frequency 60Hz
Total harmonic distortion Not numerically stated
240V support Yes
Fuel & runtime
AttributeValue
Fuel Gasoline + Propane (LPG)
Fuel tank (gasoline) 6.9 gal
Runtime — Gasoline, 25% load 20 h
Runtime — Gasoline, 50% load 11 h
Runtime — Propane (LPG), 25% load 18 h
Runtime — Propane (LPG), 50% load 9 h
Fuel notes Propane runtimes are against a 40-lb tank. Demand-based variable idle ('Low Idle') lowers engine speed to match load. ATS plug allows use with automatic transfer switches. Noise: 68 dB at 25% load; measurement distance not stated anywhere official.
Engine & operation
AttributeValue
Engine displacement 459 cc
Noise 68 dBA (at 1/4 load)
Start method recoil, electric, remote
Parallel capable Yes
Inverter technology Yes
Receptacles
AttributeValue
Receptacles 4 × 5-20R (120V GFCI), 1 × L14-30R (120/240V 30A twist-lock), 1 × USB-A (5V DC), 1 × USB-C (5V DC)
RV outlet (30A RV receptacle) No
TT-30R present No
L14-30R present Yes
GFCI outlets Yes
Safety & compliance
AttributeValue
CO shutdown Automatic CO shutdown present (CO Alert)
Low-oil shutdown Yes
Overload protection Yes
EPA certified Yes
Physical
AttributeValue
Weight (dry) 107.5 kg (237.0 lb)
Dimensions (L × W × H) 686 × 533 × 635 mm
Wheel kit included Yes
Handle fixed
Type Inverter (portable) · Cart style
Derived (computed, not sourced)
AttributeValue
Watts per kg 70.7 W/kg
Runtime per gallon @ 50% load 1.6 h/gal
Portability band heavy

Use cases

  • Home backup with inverter output: 7,600 W running, 240 V, ATS plug for transfer switches
  • Long outages: 11 h at 50% load per tank, or propane from 40-lb cylinders
  • Electronics-heavy households wanting inverter power at backup wattage
  • Parallel operation with a second XP9000iH (kit sold separately)

Cross-category fit flags (stored for future battery-vs-generator pages, not yet used for ranking): RV not suitable · camping not suitable · home backup suitable · apartment use: no · sensitive electronics: medium · noise class: moderate.

Strengths and weaknesses

Strengths

  • Inverter architecture at 7,600 W running — rare combination in this index
  • CO Alert auto-shutdown documented in the manual
  • Official 25%-load noise basis (68 dB) — unlike its conventional sibling
  • Per-fuel watts and runtimes officially published
  • Electric/recoil/remote start; ATS plug; USB-A/C on panel

Weaknesses

  • 'Low THD' marketing without a number — THD null, electronics suitability capped at medium
  • 'RV Ready' marketing without a TT-30R (30 A twist-lock is adapter-based per the sales sheet)
  • 107.5 kg — cart-bound
  • CARB status conflicts between manual ('EPA/CARB') and page ('50 State Emissions: No') — stored null
  • Noise distance basis unpublished

Comparisons featuring this generator

High-Output Dual & Tri-Fuel Home-Backup Generators: DuroMax XP13000EH vs Westinghouse iGen11000TFc vs WGen9500DF vs Champion 201412 vs DuroMax XP9000iH vs Firman WT05571

Six high-output 120/240 V multi-fuel generators for whole-house backup through a transfer switch — 5,500–10,500 W running, dual- and tri-fuel, conventional and inverter. They separate on output, fuel flexibility, power quality (only the inverters offer clean THD), and one critical safety point: five have CO-shutdown, one documents that it does not.

Where to buy

Merchant links are scaffolded but not yet active. When live, some will be affiliate links; merchant relationships never affect indexed specifications or verdicts.

Sources and provenance

Core specifications — including all safety fields — come from official manufacturer sources only, with the exact claim text preserved per field. Safety-related fields carry the strictest rules: CO-shutdown status is never inferred from marketing. See the methodology for the full policy.

Field-level provenance (19 entries, checked 2026-07-08)
FieldNormalized valueRaw claimSourceConfidence
runningWatts 7600 Gasoline Peak Wattage 9,000 Running Wattage 7,600 Official product page — Manual: 'AC Rated Wattage (Gasoline) 7,600 W'; sales sheet: '9,000 STARTING WATTS • 7,600 RUNNING WATTS'. high
startingWatts 9000 AC Surge Wattage (Gasoline) 9,000 W Official manual (PDF) high
runningWattsByFuel {"gasoline":7600,"propane":7200} Propane Peak Wattage 8,550 Running Wattage 7,200 Official product page — Manual usage chart and spec table agree. high
startingWattsByFuel {"gasoline":9000,"propane":8550} Propane Peak Wattage 8,550 Running Wattage 7,200 Official product page high
voltage 120/240V Voltage 120/240 Volts ... Frequency 60 Hertz Official product page — Manual agrees. high
receptacleSummary {"5-20R":4,"L14-30R":1,"USB-A":1,"USB-C":1} 5-20R 4 L14-30R 1 USB A 1 USB C 1 Official product page — Manual confirms NEMA codes, USB outlets, and the ATS plug. Sales sheet's '120V 30A Twist Lock' is marked '(Adapter)' — not a panel receptacle. high
rvOutletPresent false RV Ready Yes Official product page — Marketing claim preserved; no TT-30R on panel, 30 A twist-lock is adapter-based — rvOutletPresent=false per policy. high
fuelTankCapacityGal 6.9 Fuel Tank Capacity Gasoline 6.9 Gallons Official product page — Manual agrees. high
runtimeAt50LoadHours 11 Gasoline ... Runtime at 25% Load 20 Runtime at 50% Load 11 Official product page — Manual and sales sheet agree. Propane: 18 h @25% / 9 h @50% on a 40-lb tank. high
noiseDb {"quarter_load":68} Noise Level 68 dB @ 25% load Official manual (PDF) — Official 25% load basis; measurement distance NOT stated anywhere — noted. medium
coShutdown present CO Alert - Shuts down the engine in the event of CO buildup. Official manual (PDF) — Page: 'automatically shutting down the generator when harmful fumes are detected'; spec row 'CO Sensor Shutdown Yes'. high
weightKg 107.5 Product Dry Weight 237-lbs Official product page — Manual 'Weight 237 lbs' agrees; page's 'Product Weight 253-lbs' is a separate basis-unstated figure. high
dimensionsMm {"l":686,"w":533,"h":635} Product Dimensions 27"-Long x 21"-Wide x 25"-High Official product page — Converted ×25.4; manual identical. high
engineSizeCc 459 Engine Size 459cc Official product page high
warrantyYears 3 DuroMax stands behind this Generator with a 3 Year parts and technical service warranty. Official product page high
parallelCapable true Parallel Ports – Allow you to combine the output of two generators for maximum power. Official manual (PDF) — Official parallel kit exists for this unit ('Closed Frame Inverter Parallel Kit'). high
remoteStart true Starting the Generator Using Remote Start ... The remote start has two buttons, START and STOP. Official manual (PDF) — Remote control included in box. high
carbCompliant — Emissions Compliance EPA/CARB Official manual (PDF) — CONFLICT: manual says 'EPA/CARB' but page says 'EPA Certified Yes / 50 State Emissions No'. Both recorded; field null. low
totalHarmonicDistortion — 9,000 Watt Portable Dual Fuel Inverter Generator - Quiet, Low THD Official product page — 'Low THD' marketing only; no numeric % anywhere official — null per policy; suitability capped at medium. high

All sources used

entity: generator/duromax-xp9000ih source_last_checked: 2026-07-08 confidence_level: medium methodology: /methodology/