Menu
Quick Search
Enter locomotive number in the box below and press 'Go'!
In Touch
Donations
Counter
 Visitor Statistics
|
» 31 Online
» 4880 Today
» 6569 Yesterday
» 26698 Week
» 26698 Month
» 2067602 Year
» 8603809 Total
|
Record: 71951 (21/04/2026)
(Free MySQL Counter)
|
GNR/LNER Ivatt "D1" Class 4-4-0
Class Types
| GNR Class |
D1 |
| LNER Class |
D1 |
General
| Designer |
Henry Ivatt |
| Introduced |
1911 |
| Pre-Grouping Company |
Great Northern Railway |
| Grouping Company |
London and North Eastern Railway |
| Description (1957) |
Classes D1 and D2. G.N.R. Ivatt 6'8" 4-4-0's, built 1898-1909 (class D2), and 1911 (class Dl, Nos. 62203 upwards). In the two classes there were originally 85 locomotives. Some class D2 engines were superheated and as such were similar in appearance to the slightly more powerful Dl's. Nos. 62150 ,4ind 62152-4 had flat running plates and resembled class D3. Class Dl engines were dual fitted with Westinghouse in addition to vacuum brakes. All were scrapped by 1951. |
| Wheel Arrangement |
4-4-0 |
| Number Built as D1 |
15 |
| First in Service |
03/1911 |
| Last in Service |
11/1950 |
| Manufacturers |
|
| Orders |
|
|
|
|
Power
| Variant Introduced |
1911 |
| Tractive Effort |
16,074lbs |
| Inside Cylinders |
18.5" x 26" (2 off) |
| Inside Valves |
8"Piston |
| Inside Motion |
Stephenson |
Wheels
| Pony |
3' 8" |
| Drivers |
6' 8" |
| Locomotive Wheelbase |
22' 11⁄2" |
| Tender Wheelbase |
13' |
| Total Wheelbase |
43' 8" |
| Descriptive Wheelbase |
6' 5½" + 6' 8" + 9' 0" + 8' 6½" + 7' 0" + 6' 0" = 43' 8" |
Dimensions
| Length (over buffers) |
52' 111⁄4" |
| Weight (in running order) |
96t 8cwt |
| Adhesive Weight |
35t 10cwt |
| Maximum Axle Load |
18t 0cwt |
| Water Capacity |
3,500gal |
| Coal Capacity |
6t 10cwt |
Boiler & Firebox
| Boiler Diagram |
7Sup |
| Boiler Max Diameter |
4' 8" |
| Boiler Barrel Length |
10' 1" |
| Boiler Pressure |
170lbs |
| Boiler Pitch |
8' 21⁄2" |
| Firebox Length |
6' 4" |
| Firebox Grate Area |
19ft2 |
| Firebox Heating Surface |
120ft2 |
| Tube Number |
118 |
| Tube Diameter |
13⁄4" |
| Tube Area |
562ft2 |
| Flue Elements |
18 |
| Flue Diameter |
51⁄4" |
| Flue Area |
257ft2 |
| Total Evaporative Area |
937ft2 |
| Superheater Elements |
18 |
| Superheater Element Diameter |
11⁄4" |
| Superheater Element Area |
192ft2 |
| Total Heating Area |
1129ft2 |
|