M247 Sergeant York

DIVAD

Overview

M247 Sergeant York

Right side view of M247 Sergeant York on public display with guns at maximum elevation.
Source: Mark Holloway - © Copyright lies with original owner

Origin

United States

Type

Self-propelled anti-aircraft gun

Entered service

Never entered service, although formally adopted

Status

Prototype

Development

1977 - 1985

Developer

United States - Ford Aerospace

Production

December 1984 - August 1985

Producer

United States - Ford Aerospace

Number produced

About 50

Designations

ARGADS | Advanced Radar-directed Gun Air Defense System
Early requirements program
DIVAD | Divisional Air Defense
Renamed requirements program
XM247

Notable users

United States - Prototypes only

Details

Facts M247 Sgt York

General

Origin

United States

Type

Self-propelled anti-aircraft gun

Crew

3 (commander, driver, gunner)

Dimensions

Weight

54.4 t

Length

7.67 m

Width

3.63 m

Height

4.61 m with radars raised

3.42 m with radars stowed

Main armament

Type

2x 40mm Bofors L/70 autocannon

Mount

Twin mount in center of turret

Ammunition

580 rounds, all ready to fire

Rate of fire

300 rpm cyclic per gun

600 rpm combined

Elevation

-5° to +85°, powered

Traverse

360°, powered

Stabilizer

Yes, both axis

Fire control

Target acquisition

Search radar derived from Westinghouse AN/APG-68

40 km max search range

Fire control

Fire control computer with laser range finder

Chassis

Chassis type

Tracked chassis, 6 roadwheels

Layout

Idler front, drive sprocket rear

Track width

0.71 m

Length on ground

4.0 m

Ground pressure

0.95 kg/cm²

Suspension

Torsion bar

Automotive

Engine model

Teledyne Continental AVDS-1790-2D

Engine type

V12 supercharged diesel

Power output

750 hp

Transmission

General Motors CD-850-6A

2 forward, 1 reverse

Fuel

1.460 L (estimate)

Mobility

Speed

48 km/h on road

25 km/h cross country

Range

400 to 480 km on road

Turn radius

Pivot

Power to weight ratio

13.8 hp/t

Obstacle crossing

Ground clearance

0.42 m

Wall

0.9 m

Trench

2.6 m

Gradient

60 %

Slope

30 %

Fording

1 m

Protection

Armor type

Steel

Cast hull

Welded turret

Protection level

Small arms fire and shell splinters

NBC system

Yes

Smoke system

2x6 smoke grenade launchers

Equipment

Night vision

Passive IR for driver

Radio

Yes

Media