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#13473 07/21/2002 10:41 PM | Joined: Nov 1995 Posts: 5,719 62401 | | 62401 Joined: Nov 1995 Posts: 5,719 | Am I right in thinking that the 48-51 3/4-ton master cylinder is the same as the one in my '49 ton and a half? I need a new master cylinder for the 4400.
Thanks,
John
~ John A kid raised on Hotwheels, Matchbox and Tonka cannot be reasonably expected to own only one vehicle as an adult. 1949 Chevrolet 3804In the Legacy Gallery | In the Gallery Forum1973 IH 1310 Dump1963 Kaiser M38A12001 International/AmTran RE3000 "Skoolie"2014 Ford E-350 4x4 (Quigley) | | |
#13474 07/21/2002 11:09 PM | Joined: Aug 2000 Posts: 346 Shop Shark | | Shop Shark Joined: Aug 2000 Posts: 346 | John,
47-51 COMM., UTIL. (exc. 1/2 ton),
52-55 KT,KU, UTIL. (1st Ser.) (exc. VJ),
52-55 VJ, N w/hvy. duty (1st Ser.) ..............(1 1/4 dia. cyl.--cast 5450930) (361N)... 5454382
'38 Chevy 1-1/2 ton
'49 Chevy 1/2 ton
'54 Chevy 6400 2 ton
'55.2 GMC 3/4 ton
'56 GMC 1-ton
No Room Left in Shop
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#13475 07/22/2002 4:35 AM | Joined: Mar 2001 Posts: 316 Member | | Member Joined: Mar 2001 Posts: 316 | No John, the 3/4 ton uses a 1-1/8" bore master. 1-1/2 and 2 tons use an 1-1/4" bore master cylinder. 
*** GMC ***
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#13476 07/22/2002 12:01 PM | Joined: Nov 1995 Posts: 5,719 62401 | | 62401 Joined: Nov 1995 Posts: 5,719 | Thanks for the replies, gents. I have one "Yea" and one "Nay." Guess I'll check the casting number. Thanks, John
~ John A kid raised on Hotwheels, Matchbox and Tonka cannot be reasonably expected to own only one vehicle as an adult. 1949 Chevrolet 3804In the Legacy Gallery | In the Gallery Forum1973 IH 1310 Dump1963 Kaiser M38A12001 International/AmTran RE3000 "Skoolie"2014 Ford E-350 4x4 (Quigley) | | |
#13477 07/22/2002 3:47 PM | Joined: Jul 2002 Posts: 18 Junior Member | | Junior Member Joined: Jul 2002 Posts: 18 | i just installed a master cyl kit in my 49 3600 #United 33 from NAPA
it's 1-1/4 inch
" the first rule of the intelligent tinkerer is to save all the parts"
aldo leopold
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#13478 07/22/2002 4:19 PM | Joined: Aug 2000 Posts: 346 Shop Shark | | Shop Shark Joined: Aug 2000 Posts: 346 | Here's the next few entries from the '59 P&A book.
51 1/2 TON,
53-55 D-D (1st Ser.),
54-55 COMM. w/H.T. (1st Ser.)....................... (1 1/8 dia. cyl.---cast 5453838) (341K) ... 5454384
52 1/2 TON,
53-55 COMM. (1st Ser.) (exc. H.T., D-D)........... (1 1/8 dia. cyl.--cast 5453838) (341L) ... 5454459
52-55 KR, KS, VJ, N (1st Ser.) (exc. hvy. duty).. (1 1/4 dia. cyl. --cast 5450930)(361P)... 5454383
H.T. = Truck Hydramatic Transmission
D-D = Dubl-Duty = Forward Control Chassis
KR = 1952 3600 Commercial - 3/4 ton truck
KS = 1952 3800 Commercial - 1 ton truck
VJ = 1952 4100 Commercial - 137" wheel base - Utility- 1 1/2 Ton Truck
N = 1953-1955 4100 (1st Series) - 137" wheel base - Utility - 1 1/2 Ton Truck
'38 Chevy 1-1/2 ton
'49 Chevy 1/2 ton
'54 Chevy 6400 2 ton
'55.2 GMC 3/4 ton
'56 GMC 1-ton
No Room Left in Shop
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