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Our Grumman/International Motorhome chassis info - Has many mechanical details that my be of help if you have and International 1310. |
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My experiences with Amsoil in my own engines - Since 1976 |
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RV info and Sources - Links |
International IH Parts - International Harvester, Navistar |
Passenger side view of our Grumman.

LINE SETTING TICKET INFO for my GRUMMAN MOTOR HOME MOTORHOME I have been told this is one of 300 Grummans made on Long Island, NY. CERT NET HP: 235.9 at 3600 RPMs CERT GR HP: 253.4 at 4200 RPMs I.D.#SB2IH73-37MODEL1310MHC SERIAL# 303300H296607 WHEELBASE 137 TYPE: MULTI-PURPOSE PASSENGER VEHICAL INTERNATIONAL 1310 137 WB 11,000 GVW 30330020000 CHASSIS# H-296607 LINE SEQUENCE#716 LEVELING JACKS 01000 FRAME 01001 UNDERSLUNG TIRE CARRIER 01552 FA12 FRONT AXLE 4500# 02012 1205738-R91 FRONT SPRINGS 03000 MOR-RYDE REAR SUSP. 6000# PADS 03113 MOR-RYDE REAR SUSP. 8000# PADS 03117 HEAVY DUTY REAR SPRING 03136 287269-C91 FRONT SHOCK ABSORBER 03703 REAR SHOCK ABSORBER 03728 PARKING BRAKE RRWH 04001 HYD BRAKES 04012 FRONT BRAKE 12X3 04124 REAR BRAKE 12X3 04220 POWER STEERING W/TILT WHEEL 05001 EXTENDED STEERING COLUMN 05003 EXHAUST SYSTEM 07000 D-LINE INSTRUMENTS AND GAUGES 08000 HEAD LIGHT AND TAIL LIGHT PACKAGE 08001 12V 61 AMP ALTERNATOR 08109 MISC. (JACK, WRENCHES, SPEEDO, MAN.) 10000 TEMP. DRIVERS SEAT 10560 SPARE DISK AND RIM 10562 TEMP DRIVERS SEAT IH 10563 V392 W/EXHAUST EMMISSION 12122 1205740-R91 AUTO CHOKE 12776 EXTENDED FILL & DIP STICK 12793 RAD. ASSEM 385485-C2 T407 AUTO TRANS. 13407 420022-C91 RA15 REAR AXLE 7500# 4:30 RATIO-RS 14015 35 GAL WRAP TANK 15000 OMIT STD 35 GAL WRAP TANK 15001 THIS BLOCK CHECKED IN RED 45 GALLON WRAP TANK 15181 ADDITIONAL 45 GAL. TANK 15182 SPARE 7.50X16 6 PLY TIRE 546136 7.50X16 6 PLY FRONT TIRES 486313 7.50X16 8 PLY FRONT TIRES 486314 7.50X16 6 PLY DUAL RR 506313 7.50X16 8 PLY DUAL RR 506314 OPTIONS OTHER 430 SPEC OTHER INFO FROM OTHER SOURCES: T-407 TRANS= CHRYSLER A727 29" FRONT TO BACK OF TRANS SHAFT HOUSING 31" FRONT BETWEEN COVERS TO CENTER OF YOLK OF TRANS.
Details of the front brakes, passenger side.![]()
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International Harvester Parts Suppliers: LIBERTY INTERNATIONAL 1400 SOUTH WILLOW ST MANCHESTER NH 603-669-8524 800-562-3814 NH&USA 623-8873(SERV) BJT INTERNATIONAL PARTS ASSOCIATE NAVISTAR DEALER Parts for older Internationals PO Box 697 17 Star Drive Merrimack NH 03054 603-424-1405 Barry Accept NH checks and Discover. NEXT TO INSULATION PLACE (MANVILLE?) IN MERRIMACK ACROSS FROM MCDONALDS 20 YRS EXPERIENCE.
Trip to Texas.
I had bought the thing a few years earlier and had done some work on it then, but never really went through it thoroughly. It still had two of the original tires on it. One blew near Erie, PA, whih I wasn't surprised by. No big deal as I was carrying 4 spare new tires, 2 of which were mounted, and had my 5 HP air compressor in a compartment in the rear, impact wrench and a full compliment of tools.
Back on the road. Next problem was in... Texas! Just west of Dallas had gone to a campground. Was just leaving and a couple of miles down the road, when there was a huge BANG and steam or smoke all over the place behind me. I fugured by the look and sound of things the side of the block had blown out.
Shut down the engine and shifted to neutral, coasted out an exit.
Looked under the hood, steam everywhere. Anti-freeze all over the place. Opened the upper covers and was happy to see the top radiator hose to the block resting at an unusual angle.
Somehow in my rush to get the thing together I had forgotten to tighten the hose clamp way back in New Hampshire! The thing had stayed there all that time well over a thousand miles with no leakage!
All I had to do was put it back, tighten the clamp and dump in more anti-freeze and water, which I had plenty of.
The trip back was relatively uneventful, except for a leaking oil line in Houston in rush hour traffic which just happened to leak on an exhaust pipe. A huge smoke cloud was billowing from the rear. Another panic which had me exiting and stopping at a gas station. Another easy 5 minute fix and back on the road. It pays to be well equipped with tools and spare parts!
The other old tire blew in the middle of Atlanta, GA, another quick fix and back on the road. Hurrah for impact wrenches!