Massachusetts Bay Transportation Authority operates 115 of these "Type 7" cars on it's system.  

General Information
Manufacturer: Kinki-Sharyo
Cost per Car (US $) :  1,200,000 *
Year Delivered: 1986/1988 *
Date in service:  1986 *
Voltage:  650 VDC
Maximum design speed (mph): 55 mph (Maximum Service Speed 52 MPH)
Car Numbered Series: 3600-3719 *

Dimensions/Weight/Capacity 
Length over couplers: 73 feet
Length over body ends:  72 feet
Width (at floor level): 104 inches
Height (rail to roof): 11 feet
Floor height (rail to floor): 34 inches
Pantograph operating range: 12 feet, 6 inches to 19 feet
Empty weight per car: 85,400 pounds
Distance center to center of trucks:  23 feet
Interior headroom (under HVAC unit and in articulated section):  6 feet, 8 inches
Interior headroom ( normal headlining):  6 feet, 10 inches
Interior width (minimum):  3 feet, 6 1/2 inches
Doorway width (minimum): 4 feet, 6 inches
Doorway height: 6 feet, 8 inches
Step height (1st step):  12" above top of rail

Performance 
Service acceleration on level tangent track:  2.8 mphps
Service Braking on level tangent track:  3.5 mphps
Emergency braking on level tangent track:  6.o mphps (above 30 MPH); 4.0 mphps (below 30 MPH)
Maximum design speed: 55 MPH
Maximum towing speed (with propulsion out): 30 MPH
Maximum operating speed:  52 MPH
Maximum grade:  9%
Minimum horizontal curve radius (feet/inches):  42'
Minimum vertical curve radius (feet/inches):  Crest: 300', Sag 400'
Maximum number of cars/consist:  3 (Platform length limit); 4 (Max Trainline)

Body 
Manufacturer:  Kinki Sharyo Co. Ltd., Osaka, Japan
Body Material:  LAHTS (Low Alloy High Tension Steel
Floor Material:  Rubber Sheets
Window type:  Sealed Laminate safety glass
Doors:  Vapor, Electro-Pneumatic, 2 leaf bi-fold (operated by 90-120 psi air; controlled by 37.5 VDC)
Windows:  Number 18 (9 per side)
Seats:  Molded Fiberglas w/vinyl covered padded inserts
Ceiling/Walls:  Molded melanine Plastic Panels

Propulsion/Trucks
Propulsion manufacturer: Westinghouse Electric Corporation
Details:  Tracpac Traction Power Unit Type 1463-E1 Traction Motor, 135 HP, 354 AMP, force ventilated by separate mounted blower units
Number of trucks/car: 3
Number of axles/truck: 2
Number of motors/car:  4 total (2 per motor truck)
Wheel diameter (inches):  New: 26"; Worn 24"
Wheel base (inches):  75
Track gauge (inches):  Standard
Gear ratio:  7.130:1
Gearbox:  Westinghouse Type GV102-9, Double reduction parallel type gear unit
Truck manufacturer:   Kinki-Sharyo
Truck Model#: Motor trucks (2): KD227; Center truck (1): KD 227A

Brakes/Suspension
System Types:  Friction (Disc) Dynamic (Regenerative) and Track (Electro-Magnetic)
Friction Brake manufacturer: Westinghouse Air Brake Division
Service Brake Type:  Wabco J-6-A Electro-Pneumatic Friction Disc Brake
Spin/slide protection:  Wheel slip control provided during service braking only
Track Brake manufacturer:  Socimi S.p.A., Milan Italy
Track Brake Details:  6/car (2/truck), Type AM110F, 16-20 VDC

Vehicle Capacity
Number of seats:  46 (Delivered with 50 - 4 removed from 3600's for wheelchair access)
Design load: 201
Crush load:  269
Wheelchair capacity:  2

Passenger Convenience Items
HVAC Manufacturer: Stone Safety Corporation
Maximum design speed: 55 MPH
Heating type/capacity:  2 single package 12.6 kW, 8 ton capacity, roof mounted
Seat Manufacturer:  American Seating
Number of Seats: 46
Public Address System:  Midwest, provided separate from radio
Interior Lighting:  Normal 16 fixtures AC Fluorescent/ Emergency 8 fixtures DC Fluorescent
Number of Destination Signs: Six (6) (1 front, 1 back, and four side signs)
Destination Sign Details: 3600-3649: Hand Crank signs; 3649-3699: Thumbwheel-Activated Automatic signs; 3700-3719: Pushpad-Activated Automatic signs
Door type:  2 leaf bi-fold
Number of doors/car:  6 (3 per side)

Electrical and Control Systems
Low voltage power supply:  37.5 VDC
Motor Control:  Redundant Chopper Control
Amperage draw:  354 Amps
Motor Alternator Manufacturer:  Stone Safety Corporation
Pantograph Manufacturer:  Stemmann Corporation (Original Purchase); Replaced, when needed with units rebuilt by MBTA Blacksmith Shop

Notes
Car Procurement: Cars 3700-3719 were ordered in 1995 to replace operational losses.  Cars were delivered in 1997 at a cost of $2.430,000 each
Snow Plows:  Lead edge of all motor trucks retrofitted with small snow plow as of mid 1998
Ice-Cutting Capability:  All LRVs are able to be fitted with self-heated ice cutters w/separate brass cutter heads in place of carbon heads.  MBTA has over 20 on hand.  Changing from carbon to ice-cutter heads takes 15 minutes.

Car Specifications: Courtesy of Charlie Kenneally
Photo and background: Courtesy of Scott Moore.

Disclaimer - Information posted has been received in the form of a phone conversation, private e-mail, newsgroup posting, webpage posting, or printed periodical.   Lightrail.com and it's staff  does not guarantee the accuracy of the information, however does make efforts to insure sources are reliable.

Updated May 26, 2000