en March 731

March 731^[1]
Category	Formula One
Constructor	March Engineering
Designer(s)	Robin Herd
Predecessor	March 721
Successor	March 741
Technical specifications
Chassis	Aluminium monocoque
Axle track	1,448 mm (57.0 in) (Front); 1,448 mm (57.0 in) (Rear)
Wheelbase	2,438 mm (96.0 in)
Engine	Ford-Cosworth DFV 2,993 cc (182.6 cu in) 90° V8 naturally aspirated mid-mounted
Transmission	1976: Hewland DG 400 6-speed manual. ; 1977: Hewland FGA 400 6-speed manual.
Weight	1,270 lb (580 kg)
Tyres	Goodyear; Firestone
Competition history
Notable entrants	March Engineering
Debut	1973 Spanish Grand Prix
Constructors' Championships	0
Drivers' Championships	0
	n.b. Unless otherwise stated, all data refer to; Formula One World Championship Grands Prix only.

The March 731 was a Formula One racing car designed by Robin Herd of March Engineering for the 1973 season which saw continued use through 1974.

Complete Formula One results

Year	Entrant	Engine	Tyres	Drivers	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	Points	WCC
1973	March Racing Team	Ford Cosworth DFV	G		ARG	BRA	RSA	ESP	BEL	MON	SWE	FRA	GBR	NED	GER	AUT	ITA	CAN	USA	14	5th
				Henri Pescarolo				8
				Jean-Pierre Jarier					Ret	Ret	Ret	Ret				Ret		NC	11
				Roger Williamson									Ret	Ret
	Clarke-Mordaunt-Guthrie-Durlacher			Mike Beuttler				7	11	Ret	8		11	Ret	16	Ret	Ret	Ret	10
	Team Pierre Robert			Reine Wisell							DNS	Ret
	LEC Refrigeration Racing			David Purley						Ret			DNS	Ret	15		9
	Hesketh Racing			James Hunt						9		6	4	3		Ret	DNS	7	2
1974	Hesketh Racing	Ford Cosworth DFV	G		ARG	BRA	RSA	ESP	BEL	MON	SWE	NED	FRA	GBR	GER	AUT	ITA	CAN	USA	6*	9th
	Hesketh Racing			James Hunt	Ret	9
	Dempster International Racing Team			Mike Wilds										DNQ

* All points scored by other March chassis