The road-rail cars for emergency maintenance are built on the basis of the reworked all-road cars UAZ-3163 – Patriot, UAZ – Pickup or UAZ (3303, 39094, 3741, 39625, 3909, 2206). They are designed to perform the following tasks:

• surveys and scheduled inspections of low-density railway track sections and engineering facilities (LDM-1-I);
• scheduled and emergency maintenance (LDM-1-T);
• shunting operations at the station and spur tracks (LDM-1-M). 

These road-rail cars come with TVEMA proprietary devices and equipment intended for shunting operations and installation/removal from the railway track. The road-rail cars for emergency maintenance are available in the following versions:

 LDM-1-I road-rail inspection car

The LDM-1-I road-rail inspection car is built on the basis of the all-road car UAZ-3163 – Patriot. The car is intended for operational scheduled inspections of low-density and station railway tracks and engineering facilities

of the railway transport. LDM-1-I is designed to transport the mobile inspection crew comprising 4 people (including the driver) and the repair equipment.  Due to road-rail equipment, LDM-1-I may travel not only on roads (motorways, crosscountry terrain), but also on railway tracks.

 LDM-1-I comprises:

• all-road car;
• road-rail system;
• SSPS KH traffic safety system;
• dedicated equipment set (equipment for track inspection);
• inspector’s computer workstations.

LDM-1-T road-rail car for emergency repair works

The LDM-1-T road-rail car is designed to transport the mobile repair crew and equipment to the place of scheduled and emergency repair works at the railway infrastructure facilities. Due to road-rail equipment,

LDM-1-T may travel not only on roads (motorways, cross-country terrain), but also on railway tracks.

LDM-1-T is available in two variants:

• on the basis of UAZ – Pickup car with up to 5 seats;
• on the basis of UAZ car (3303, 39094, 3741, 39625, 3909, 2206) with 2 - 8 seats.

LDM-1-T comprises:

• all-road car;
• road-rail system;
• SSPS KH traffic safety system;
• dedicated equipment set (manual and electric track inspection tools). 

LDM-1-M road-rail shunting car

The LDM-1-M road-rail shunting car is built on the basis of the all-road car UAZ 2363 Pickup and is designed to perform shunting operations at the station and spur tracks and to haul carriages to the loading areas.

Due to road-rail equipment, LDM-1-M may travel not only on roads (motorways, crosscountry terrain), but also on railway tracks.

LDM-1-M comprises:

• all-road car;
• road-rail system;
• SSPS KH traffic safety system;
• dedicated equipment set for shunting operations.

The dedicated equipment set comprises:

• driver’s brake valve;
• compressor plant;
• pressure gauge;
• brake hose;
• coupler.

The coupler, which is unprecedented, was designed by TVEMA specialists specially for this vehicle.

Parameters

Parameters Value

LDM-1-I

LDM-1-T

LDM-1-M

Brand of the base car

UAZ-3163

Patriot

UAZ-Pickup

UAZ

(3303, 39094, 3741, 39625, 3909, 2206)

UAZ-Pickup

2363

Axle configuration

4x4

4х4

4х4

4x4

Number of seats

4

5

2-8

3

Gearbox

Mechanical,     5-speed

Mechanical,

5-speed

Mechanical,

4-speed

Mechanical,

5-speed

Engine

Gasoline

Car on-board power supply voltage, V

12

Maximum operating speeds, km/h, not less than

• on motorway

• on railway

• in shunting mode

140

40

—

140

40

—

140

40

—

140

40

10

Roller guide track, mm

1520 _-4⁺¹⁵

1520 _-4⁺¹⁵

1520 _-4⁺¹⁵

1520 _-4⁺¹⁵

Ground clearance, mm, not less than

210

210

195

210

Mass of the hauled rolling stock item, ton, not more than

—

—

—

60