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[2]
Races Wins Podiums Poles F/Laps 40[3] 0 2 0 1
Constructors' Championships	0
Drivers' Championships	0

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.

March 731 front-view

Complete Formula One results

(key)

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
				James Hunt	Ret	9
	Dempster International Racing Team			Mike Wilds										DNQ

* All points scored by other March chassis

References

1. "1973 March 731 Cosworth Specifications". Ultimatecarpage.com.
2. "March 731 • STATS F1". www.statsf1.com.
3. "March 731". Retrieved 25 October 2022.