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Seattle Car & Foundry Company, Catalogue No. 3, December, 1913

"Snohomish" Logging Truck

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This truck is especially adapted to use on Logging Railroads, where an uneven track demands a flexible running gear and an extremely strong frame. These requirements are carried out in this design by placing the springs over the Journal Boxes and making the frame of extra heavy Iron Bars. The simplicity of the design also appeals to the operators, making it necessary to carry but few extra parts for repairs.

Illustration from Seattle Car & Foundry Company, Catalogue No. 3, December, 1913

Arch Bar Gang

Bunk shown is made of straight grain Red Fir, reinforced with special heavy 12-inch I-Beam closely fitted on timber, but we recommend our Hercules Patent Bunk equipped with Knight Patent Chock, McLafferty Stake or Skookum Chock.

Either Automatic Couplers or Link and Pin Drawbars may be used, as our Link and Pin Drawbar is designed to be interchangeable with Automatic Coupler, the change being easily made at any time. Bolsters extra heavy Red Fir, strongly trussed. Draft Timbers, Red Fir. Draft Gear M. C. B. Standard with M. C. B. double coil Draft Springs. Truck springs, 70,000 lbs. capacity, heavy double coil.

Wheels 33-inch Chilled Cast Iron fitted on M. C. B. Axles with 4½ × 8 inch Journals. Cast Iron Journal Boxes with self-closing lids. Cast Iron Columns of heavy pattern. Brake Shoes applied to all wheels with hand wheel at side. Any style of Brake Shaft can be furnished.

When required the Truck is decked over between wheels and draft timbers and extending from end to end.

Length over all, 12 feet. Weight approximately, 18,000 pounds per set.

SNOHOMISH LOGGING TRUCK

List of Parts

Illustration from Seattle Car & Foundry Company, Catalogue No. 3, December, 1913

CASTINGS—

1 JOURNAL BEARING

2 JOURNAL BOX

3 JOURNAL BOX WEDGE

4 JOURNAL BOX COVER

5 COLUMNS

6 SPRING CAP

7 TOP CENTER PLATE

8 BOTTOM CENTER PLATE

9 OUTSIDE BOTTOM SIDE BEARING

10 INSIDE BOTTOM SIDE BEARING

11 OUTSIDE TOP SIDE BEARING

12 INSIDE TOP SIDE BEARING

13 CAST IRON CHOCK BLOCK

14 BUNK BRACE

15 COUPLER

16 DRAFT LUGS

17 CHAFING IRONS

18 ARCH BAR FILLERS

19 BRAKE SHOES

20 BRAKE HEADS

21 BRAKE WHEEL

22 BRAKE RATCHET

23 BRAKE PAWL

24 OUTSIDE BRAKE STAFF BEARING

25 INSIDE BRAKE STAFF BEARING

26 BRAKE BEAM FULCRUM

27 BOTTOM CONN. JAW

28 HAND CONN. JAW

FORGINGS—

29 TOP ARCH BAR

30 BOTTOM ARCH BAR

31 TIE BAR

32 TOP END BAR

33 BOTTOM END BAR

34 BOLSTER TRUSS ROD

35 BOLSTER TRUSS ROD SADDLE

36 BOLSTER BEARING PLATE

37 BRAKE HANGER

38 BRAKE HANGER CLIP

39 BRAKE BEAM SAFETY HANGER

40 BRAKE BEAM WASHER PLATE

41 BRAKE BEAM END BAND

42 BRAKE LIVE LEVER

43 BRAKE DEAD LEVER

44 DEAD LEVER STOP

45 BOTTOM CONNECTION ROD

46 HAND CONNECTION ROD

47 HAND CONNECTION CHAIN

48 BRAKE STAFF

49 CONNECTION PIN

50 CENTER PIN

51 CENTER PIN KEY

52 BRAKE SHOE KEY

53 DRAFT YOKE

54 FOLLOWER PLATE

55 FOLLOWER GUIDE

56 CARRY IRON

57 STRIKING PLATE

58 UNCOUPLING LEVER

59 UNCOUPLING LEVER BRACKET

60 BUNK STOP CHAIN

61 BUNK STOP U-BOLT

62 BOTTOM MEMBER OF BUNK

63 TOP MEMBER OF BUNK

64 KNIGHT CHOCK

65 KNIGHT CHOCK CHAIN

66 CAST CHOCK CHAIN

67 CAST CHOCK CHAIN U-BOLT

68 GRAB HOOK

69 GRAB HOOK CHAIN

70 GRAB HOOK EYEBOLT

SPECIALTIES—

71 WHEELS

72 AXLES

73 PEDESTAL SPRING

74 DRAFT SPRING

LUMBER—

75 BOLSTER

76 DRAFT TIMBER

77 BRAKE BEAMS

78 DUST GUARDS

CODE "Columbia" Number 122a

With Cast Steel Pedestals

Illustration from Seattle Car & Foundry Company, Catalogue No. 3, December, 1913
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