| Maker | Pratt & Whitney Hornet S4C4-G | Ranger 6-440-2 | Ranger 6-410B-3 | Ranger V770B-4 | Ranger V-820C-1 | Ranger SGV-770B-3 | Ranger SGV-770B-6 |
| Arrangement | Radial | Inverted In-Line | Inverted In-LIne | Inverted V | Inverted V | Inverted V | Inverted V |
| Cooling | Air | Air | Air | Air | Air | Air | Air |
| No of Cyls | 14 | 6 | 6 | 12 | 12 | 12 | 12 |
| Bore/Stroke | 5.50" x 5.50" | 4.125" x 5.50" | 4.125" x 5.125" | 4.0" x 5.125" | 4.125" x 5.125" | 4.0" x 5.125" | 4.0" x 5.125" |
| Displacement | 1830cu ins | 441 cu ins | 411 cu ins | 773 cu ins | 822 cu ins | 773 cu ins | 773 cu ins |
| Comp Ratio | 6.7:1 | 6:1 | 6.5:1 | 6.5:1 | 7.5:1 | 6:1 | 6:1 |
| bmep Cruise | 125 | 102 | 107 | 110 | 116 | 123 | 123 |
| Blower ratio | 8.47:1 | N/A | N/A | N/A | N/A | 7.71:1 | 8.84:1 |
| Cyl Material | Steel | Steel | Steel | Steel | Steel | Steel | Steel |
| Valves per cyl | 1 Inl 1 Exh | 1 Inl 1 Exh | 1 Inl 1 Exh | 1 Inl 1 Exh | 1 Inl 1 Exh | 1 Inl 1 Exh | 1 Inl 1 Exh |
| Valve Arr. | OHV | OHC | OHC | OHC | OHC | OHC | OHC |
| HP max - not Take-Off | 900 | 175 | 165 | 305 | 375 | 420 | 420 |
| @ RPM | 2550 | 2450 | 2450 | 2300 | 2400 | 2800 | 2850 |
| @ Altitude | 15400ft | Sea Level | Sea Level | Sea Level | Sea Level | Sea Level | Sea Level |
| HP Take-Off | NA | NA | NA | 315 | NA | NA | NA |
| @ RPM | NA | NA | NA | 2400 | NA | NA | NA |
| HP Cruise | 700 | 130 | 125 | 230 | 260 | 300 | 300 |
| @ RPM | 2175 | 2250 | 2300 | 2250 | 2150 | 2150 | 2500 |
| Fuel Octane | 90 | 65 | 80 | 80 | 87 | 87 | 87 |
| Prop Drive | Geared | Direct | Direct | Direct | Direct | Geared | Geared |
| Dry Weight | 1490lbs | 355lbs | 345lbs | 565lbs | 565lbs | 640lbs | 640lbs |
| lb/Cruise HP | 2.13 | 2.73 | 2.76 | 2.46 | 2.17 | 2.13 | 2.13 |
| Carb(s) | 1x Stromberg | 1x Stromberg | 1x Stromberg | 2x Stromberg | 2x Stromberg | 1x Stromberg | 1x Stromberg |
| Ignition | Scintilla Mag(2) | Scintilla Mag(2) | Scintilla Mag(2) | Scintilla Mag(1) | Scintilla Mag(1) | Scintilla Mag(1) | Scintilla Mag(1) |
| Electric Starter | Optional | Eclipse | Eclipse | Eclipse | Eclipse | Eclipse | Eclipse |
| Length | 63.187" | 51.062" | 50.09" | 61" | 61" | 61.312" | 61.312" |
| Height/O.D. | 48" | 31.75" | 31.562" | 27.187" | 27.187" | 31.250" | 32.250" |
| Width | NA | 20.25" | 20.406" | 28" | 28" | 28" | 28" |
| Ht above bed | NA | 12.125" | 12.125" | 10.50" | 10.50" | 12.50" | 12.50 |
| Mount Dia | 27" | 11.875" | 11.875" | 13.25" | 13.25" | 13.25" | 13.25" |