Model Curtiss P-40N / Kittyhawk IV Length 33.46 ft | 10.20 m Width 37.47 ft | 11.42 m Height 12.37 ft | 3.77 m Engine(s) 1 x Allison V-1710--81 inline piston engine generating 1,360hp. Empty Weight 6,005 lbs | 2,724 kg MTOW 8,858 lbs | 4,018 kg Max Speed 378 mph | 609 km/h | 329 kts Max Range 240 miles | 386 km Ceiling 38,156 ft | 11,630 m | 7.2 miles Climb Rate 2,142.86 ft/min (653 m/min) Hardpoints 1 Armament 6 x 12.7mm machine guns 1 x 500lb bomb under fuselage Accommodations 1
* Model 75I - Prototype Base Model derived from XP-37A airframe fitted with Allison 1,150hp V-1710-11 inline engine. * P-40 - United States Army Air Corps production version fitted with V-1710-33 powerplant. * Hawk 81-A1 - Export model for French use. * P-40B - Improved model featuring improved armor and armament with seal-sealing fuel tanks. * P-40C - Additional 2 x 12.7mm machine guns added to wings; improved seal-sealing fuel tanks. * P-40D - Fitted with V-1710-39 generating 1,150hp; increase performance at high altitude; improved supercharger. * P-40E - Only 4 x 12.7mm machine guns in wings. * P-40F - Improved supercharger. * P-40L - Similar to the P-40F with improved supercharger and 1,300hp Packard V-1650-1 (license-built 1,300hp Rolls-Royce Merlin) powerplant. * P-40K - Based on the P-40E model with V-1710-33 powerplant. * P-40M - Fitted with V-1710-71 powerplant. * P-40N - Fitted with V-1710-81 OR V1710-99 OR V1710-115 powerplants; improved performance capabilities; decreased overall weight.