Carburetors and Mixers

Model 55 Series Carburetors and Mixers


The Model CA55 Series carburetors provide effective solutions for optimum metering and delivery of either LPG vapor or natural gas. The standard model can be mounted in either an updraft, downdraft, or sidedraft orientation, supplying either LPG or natural gas to engines up to 73 hp (1 to 54 kW), with a flow rate of 118 CFM (55.7 L/s). Various SAE flanges and air hose sizes are available.
 
Impco No. Genuine Impco Part No. Alternative Part No. Description
CA55-8 A000019216 NA 1-1/4" SAE Flange, 2-1/16" Air Horn
CA55-017 A000012132 NA 1-1/4" SAE Flange, 2-1/16" Air Horn
CA55-20 A000019235 NA 1" SAE Flange, 1-5/8" Air Horn
CA55-64 9I2314 NA 1" SAE Flange, 1-5/8" Air Horn, with 1/4" Hole in Lever at 1" R, 4" Shaft
CA55-66 9I2315 NA 1" SAE Flange, 1-5/8" Air Horn, with 1/4" Hole in Lever at 1" R, 4" Shaft
CA55-258 A000036233 NA 2-1/16" Air Horn, 2-1/16" Hose, Dual Fuel, w/o Lifter
CA55-258L A000031471 NA 2-1/16" Air Horn, 2-1/16" Hose, Dual Fuel, w/Lifter
CA55-271 A000009359 A000050564 1" SAE Flange, A2-65-2 Straight Air Horn, Long Shaft, Return Spring Bracket
CA55-503 A000000195 A000050562 1-1/4" SAE Flange, 2-1/4" Air Horn, with Drilled Shaft
CA55-542 A000008008 A000050560 1" SAE Flange, Toyota
CA55-576 9I2313 A000050558 Hyster Special Flange, 43 mm Air Horn, Short Lever with Throttle Return
CA55-577 A000007646 A000050551 53 mm Flange, 43 mm Air Horn, Standard Flow
CA55-577-2 A000010607 A000050552 53 mm Flange, 43 mm Air Horn, Lean Flow
CA55-577-3 A000017310 A000050550 53 mm Flange, 43 mm Air Horn, Lean Flow
CA55-596 A000009238 NA 1-1/4" SAE Flange, A2-61 Air Horn
CA55-598-2 A000010606 A000050559 1-1/4" SAE Flange, A2-61-2 HTDM Air Horn, Tapped 8 mm, Clark
CA55-599-2 A000007955 A000050556 1-1/4" SAE Flange, 2-1/4" Air Horn, Tapped 8 mm Less Levers
CA55-756L A000010605 NA 2-1/16" Air Horn, 2-1/16" Hose, Dual Fuel, with Lifter
CA55-756M A000031475 NA 2-1/16" Air Horn, 2-1/16" Hose, Dual Fuel, with Lifter
CA55M-500 A000010604 NA Series 500, Straight Draft Mixer
CA55M-500-2 A000010603 A000050520 Series 500, Straight Draft Mixer, Lean Flow

Model 60 Series Mixers


The Model 60 Series is an air-gas valve/diaphragm mixer designed to fit engines from 79 to 183 cubic inches (1.3 to 3 liters) in displacement and up to 95 CFM (44.8 L/s) air flow. It is a 90 degree air horn design available with a 2.06 inch (52.4mm) air horn and fits most current CA100 throttle bodies and adapters. It can also be used in-line, separate from the throttle body. The mixer comes in two configurations: the CT version for open-loop engine applications without an electronic engine controller, and the FT version for use with the IMPCO Commander digital closed-loop fuel controller.

Impco No. Genuine Impco Part No. Description
FT60M-3-3 A000035094 Feedback, 2.06" Air Horn, Str Fixed Jet 400
FT60M-30741-52-002 A000033742 3.0L LPG DBC, Spectrum II
FT60M-30741-52-005 A000037593 2.0 & 2.2L LPG NMHG, Spectrum III

Model 100/110 Series Carburetors and Mixers


The Model 100 Series carburetor is a single-diaphragm air-gas valve carburetor/mixer. It offers a 90 degree air inlet to provide low overhead clearance and is available with several air horn and throttle body options. This unit is available for propane, natural gas, and digester gas applications.

Impco No. Genuine Impco Part No. Alternative Part No. Description
CA100-10 A000031753 NA 1-1/4" SAE Flange, 2-5/16" Air Horn, Lean Flow
CA100-64 A000031482 NA 1-1/4" SAE Flange (short), 2-1/16" Air Horn
CA100-64G A000007957 A000050546 2-1/16" Air Horn, 70/75 Flow, No Throttle Assembly
CA100-91A A000005895 A000050557 Carburetor Assembly
CA100-110 0972813 A000050554 1" SAE Flange, 2-1/16" Air Horn, Drilled Shaft, AL1-26-40
CA100-112 9I4698 NA 1-1/4" SAE Flange, 2-1/16" Air Horn, Lean Flow, Short Shaft
CA100-138 A000012118 NA 1" SAE Flange, 1-1/16" Air Horn, Yale
CA100-139 A000006230 A000050555 1" SAE Flange, 2-1/16" Air Horn with Bracket and Swivel
CA100-180 9I4703 A000050553 1-1/4" SAE Flange, 2-1/16" Air Horn with L1-33, Clark
CA100-183 A000014790 NA 1-1/4" SAE Flange
CA100-194 0973125 A000050549 2-1/16" Air Horn, AA3-67 Adapter, Clark
CA100-222-1 A000053995 NA
CA100-272 A000026615 A000050548 1-1/4" SAE Flange, 2-1/16" Air Horn, 100% Flow, Low Caterpillar
CA100-334 A000009161 NA 4.3L LPG, 2-1/16" Air Horn
CA100-334-1 A000036228 NA 4.3L LPG, 2-1/16" Air Horn (fittings and throttle linkage not included)
CA100-498 A000012111 A000050563 Carburetor Assembly, Nacco 1389498
CA100-621 A000012107 NA 1-1/4" SAE Flange, 2-5/16" Air Horn, 2.2 L Mazda Engine
CA100-7108 A000035710 A000050565 Carburetor Assembly, Clark 2817108
CA100M-3 A000010620 NA Mixer, 2-1/16" Air Horn
CA100M-4 A000024367 A000050538 Mixer, 58.7 mm (2.31") Air Horn
CA100M-636 A000007830 NA Mixer Assembly, Clark 2802636
CA100M-647 A000012108 NA Mixer, 2-5/16" Air Horn, Silicone Diaphragm
A110-DP A000010667 NA Dash Pot Assembly, 110 Mixer, Hydrin Diaphragm
FT100M-30828-52-001 A000027721 NA Mixer, Tamper Proof 100 Series

Model 125 Series Carburetors and Mixers


The Model 125 Series carburetor is a single-diaphragm air valve carburetor/mixer. It offers a downdraft air inlet that can be used for remote air filtration or open-element type air filters. This unit is available for propane, natural gas, and digester gas applications.

Impco No. Genuine Impco Part No. Alternative Part No. Description
CA125-76-2 A000009237 A000050561 1-1/4" SAE Flange (Short), 80 mm Air Horn, Spring Hole R, with AV1-14-76-2
CA125-77G A000007299 NA Carburetor Assembly, with Governor, Nacco 1331600
CA125M A000010615 NA Mixer with Hydrin Diaphragm
CA125M-3 A000031474 A000050547 Lean Flow Mixer with Silicone Diaphragm
CA125M-089 A000012136 NA Mixer Assembly, Hyster 8509089

Model 225 Series Carburetors and Mixers


The Model 225 Series carburetor is a single-diaphragm air valve carburetor/mixer. It offers a downdraft air inlet that can be used for remote air filtration or open-element type air filters. This unit is available for propane, natural gas, and digester gas applications.

Impco No. Genuine Impco Part No. Alternative Part No. Description
CA225M A000010612 NA Mixer with Hydrin Diaphragm
CA225M-2 A000010611 A000050519 Mixer with Silicone Diaphragm

Miscellaneous Carburetors and Mixers


Manufacturer No. Part No. Description
E330M-19 A000039777 Mixer