HUTCHENS H9700 SUSPENSION FEATURES After …

1 171 HUTCHENS H9700 SUSPENSION FEATURES1) Improved spring seat design that efficiently transfers forces from the axle to the ) All hangers and equalizers are made from lightweight fabricated or cast ) Lighter top plate that offers greater stability under U-bolt clamp ) Huck lockbolt fastening system that is virtually ) wear pads in hangers and ) Wrapped fabricated torque arm eye-ends prevent separation under extreme ) Million Mile Rocker Bushing that virtually eliminates bushing fatigue and ) NEVER-SEEZ coated torque arm screws are painted to resist corrosionwhile allowing easy adjustment for SUSPENSION all these years, it is still the most versatiletrailer SUSPENSION on the road Hutch 9700 Series remains the leader in our long and distinguished line of trailer SUSPENSION Suspensions incorporate innovative thinking that results in a durable and reliable system thatnot only extends service life, reduces downtime and protects your cargo but also provides a smooth and comfortable H9700 and CH9700 SUSPENSIONSAll 9700 series suspensions areavailable with either fabricated or caststeel hangers and rockers.

2 Thesehangers come in various Mount (Str/Mt)Straddle mount hangers are for use with box type hanger straddles the frame and is welded to both sidesof the (H)Cast (CH)Under Mount Un/mt)Under Mount hangers arewelded flush to the bottomof the Mount (Si/mt)Side mount hangers arewelded to the side of theframe. They are useful onflatbed sliders and"maximum cube" Mount Weld-On(Un/mt/wo) orSide Mount Weld-On(Si/mt/wo)The versatile cast weld-onhangers can be used foreither under mount or sidemount Mount (Fl/mt)Flange mount hangers may be welded or bolted to the frame,or a combination of bolting and welding maybe 9700 series SUSPENSION has a Gross Axle Weight Rating ( ) of 22,400 lbs when equipped with single leaf,two leaf, standard three leaf and seven leaf springs.

3 Heavy duty three leaf and eight leaf springs raise the to25,000 " (483mm)**49"(1245mm)61/2"**(165mm)Mounti ngHeightH=61/2" (165mm)431/2 (1105mm)431/2 (1105mm)H=*CH=61/8"(156mm)CH=2"(51mm)Sta ndard Overslung SUSPENSION with standard 49 inch axle centersStandard Underslung SUSPENSION with standard 49 inch axle centersH=61/2" (165mm)431/2 (1105mm)431/2 (1105mm)H=*CH=61/8"(156mm)CH=2"(51mm)(16 5mm)19" (483mm)**49"(1245mm)61/2"** Str/Mt-31/2"(89mm), Un/mt & Si/mt=37/8"(99mm), Fl/mt-51/2"(140mm) **Ref.: This dimension may vary with changes in springs, spring seatheights, etc. **Recommended spring clearance.* Str/Mt-31/2"(89mm), Un/mt & Si/mt=37/8"(99mm), Fl/mt-51/2"(140mm) **Ref.: This dimension may vary with changes in springs,spring seat heights, etc. **Recommended spring suspensions with axle spacings other than 49" are covered in other pages of this a 9700 Series SUSPENSION SystemThe following options need to be considered when ordering a "Hutch" 9700 Series number of axles - on a tandem, standard axle spacing is 49" unless otherwise the type of hanger .

4 (See hanger types in this catalog.)Specify fabricated (H) or cast (CH). the mounting height you need. A mounting height chart is shown height depends onSuspension configuration - Overslung for standard range of mountingheights; Underslung for when lower mounting heights are size - 5 inch round is considered Seat Height: Available in heights from 3/4" to 4-3/4" in 1/2" Type. Consideration is given to number of leaves and arch, standard or heavyduty. The spring seat height and the spring determine the length of u-bolts u-bolt diameter - 7/8" is standard, 3/4" is Options:Rocker andCenter hanger FastenerStandardHuck Fastener (Shown)Optional1-1/8" X 7"Capscrew and NutOptionalNo-Hop Attach FittingRear Axle OnlyPrevents axle "hop" whenbraking with empty H9700 / CH9700 SUSPENSIONS & MOUNTING HEIGHTMMOUNTING HEIGHTSPRINGS5"ROUND & 5 " SQUARE AXLE UNDERSLUNGSeat Height--->3/41-1/41-3/42-1/42-3/43-1/4 3-3/44-1/44-3/43/42-1/4363-00 (single)133/4"141/4"143/4"151/4"153/4"16 1/4"163/4"171/4"173/4"53/4"41/4"356-00 (three)133/4"141/4"143/4"151/4"153/4"161 /4"163/4"171/4"173/4"41/2"31/4"751-01 (seven)133/4"141/4"143/4"151/4"153/4"161 /4"163/4"171/4"173/4"33/4"21/4"365-01 (three)133/4"141/4"143/4"151/4"153/4"161 /4"163/4"171/4"173/4"41/4"23/4"752-01 (eight)

5 141/4"143/4"151/4"153/4"161/4"163/4"171/ 4"173/4"181/4"33/4"21/4"355-00 (three)141/2"15"151/2"16"161/2" 17"171/2" 18"181/2"51/2"4"360-00 (single)16"161/2" 17"171/2" 18"181/2" 19"191/2" 20"8"*61/2"*354-00 (three)16"161/2" 17"171/2" 18"181/2" 19"191/2" 20"7"51/2"751-05 (seven)16"161/2" 17"171/2" 18"181/2" 19"191/2" 20"6"41/2"751-06 (seven)16"161/2" 17"171/2" 18"181/2" 19"191/2" 20"6"41/2"(for single axle)365-00 (three)16"161/2" 17"171/2" 18"181/2" 19"191/2" 20"61/2"5"752-05 (eight)161/2"17"171/2"18"181/2" 19"191/2" 20"201/2"6" 41/2"752-06 (eight)161/2"17"171/2"18"181/2" 19"191/2" 20"201/2"6" 41/2"(for single axle)Mounting heights shown are for FABRICATED dimensions should be considered approximations due to spring tolerances, Hangers produce slightly lower heights: (1/4 - 3/8")Mount Heights must not exceed 17-1/4" on No-Hop suspensions.

6 For best performance, donot exceed 17-1/4" mounting heights on ANY is recommended that a minimum of 4-1/2" vertical clearance be maintained above thetires with trailer or chassis in an unloaded using springs other than 751/52-06 in single applications, expect a slight reduction inmounting height. (Approx. 1/4".)*For single leaf, underslung application, refer to Hutch drawing number and CH9700 Suspensions With Optional 42-1/2" and 44" Axle CentersSpringAss'ySpring Seat Height in Inches3/41-1/4 1-3/4 2-1/4 2-3/4 3-1/4 3-3/4 4-1/4 4-3/4 TRA-2717-SPMounting Height in Inches141/8145/8151/8155/8161/8165/8171/ 8175/8181/8(6 Leaf)U-Bolt Length in Inches*111212131314141515 Spring Seat Height in Inches3/41-1/4 1-3/4 2-1/4 2-3/4 3-1/4 3-3/4 4-1/4 4-3/4 TRA026 Mounting Height in Inches131/4133/4141/4143/4151/4153/4161/ 4163/4171/4(Single Leaf)

7 U-Bolt Length in Inches*101011111212131314*U-bolt part numbers beginning with "7/8X3X"--5 Inch Round AxleMounting Heights and U-Bolt Lengths For Suspensions With 421/2" and 44" Axle CentersHUTCHENS H9700 and CH9700 SUSPENSIONS421/2" A/C=37"421/2" A/C=37"44" A/C=36"44" A/C=36"421/2" Axle CentersOn the Overslung, Underslung and Inverted U-bolts, H and CH-9700 series suspensions with 421/2" axle parts not interchangeable with the standard 49" axle center models are as follows:ItemPart *2 Adj. radius rod with bushing - 16" *2 Adj. radius rod with bushing - 14" Below8U-bolts3 See Below4 Spring Assembly416158-012 Rocker with Rubber Bushing (Fabricated)44" Axle CentersOn the Overslung, Underslung and Inverted U-bolts, H and CH-9700 series suspensions with 44" axle parts not interchangeable with the standard 49" axle center models are as follows:*On the 42-1/2"and 44" A/C models all radius rods are Radius Rod With Bushing - 14" C/C2 See Below8U-bolts3 See Below4 Spring Assembly424711-012 Cast Rocker with Rubber BushingFor use with TRA2717-SP Spring Ass'y or TRA026516398-032 Adj.

8 Radius Rod With Bushing - " C/C343512421/2" A/C44" A/C2175 HUTCHENS H9700 and CH9700 SUSPENSIONS12131445619 Cast(CH)Fabricated(H)Cast (CH)Cast(CH)Fabricated(H)1817167No-Hop Option(See Chart)Rear Axle Only19520282527232221242526 Fabricated(H)H=61/2" (165mm)431/2 (1105mm)431/2 (1105mm)H=*CH=61/8"(156mm)CH=2"(51mm)* Str/Mt-31/2"(89mm), Un/mt & Si/mt=37/8"(99mm), Fl/mt-51/2"(140mm)** Ref.: This dimension may vary with changes in springs,spring seat heights, etc.** Recommended spring clearance.(165mm)19" (483mm)**49"(1245mm)61/2"**219H9700 and CH9700 Straddle Mounthangers shown111087109111213144156873212223176 QuantityItemPart TandemDescriptionAxleAxle1 See hanger Chart A This Page22 Front Spring Hanger2 See hanger Chart A This Page02 Center Rock/Rocker hanger Assembly3 See hanger Chart A This Page22 Rear Spring hanger Assembly4719-0248 Radius Rod Bolt - 1-14-UNS x 5516398-0412 Radius Rod With Bushing - Long610562-0048 Flange Locknut - 1-14 UNS, GR,F, Cad U-Bolt Chart B Page 18148U-Bolt - Std.

9 U-Bolt816868-0124 Top Plate917350-0224 Galvanized Spring Liner, " x "10 See Spring Pages 153-15624 Spring Assembly - Std. 3 Leaf (Shown)11 See Spring Seat Chart C This Page24 Spring Seat 5" Round (Shown)12 See Bottom Plate Chart D Page 18124 Bottom Plate, 5" Round, (Shown)1335-00816 Washer-Pl, 15/16 ID x 1-3/4 OD (For Std..875 U-Bolt)or 817-00816 Washer - 1/8 x 13/16 ID x 1-1/2 OD (For Opt..75 U- Bolt)1434-04 or816 Hex Nut - 7/8"-14 UNF (For .875 U-Bolt Shown)16303-01816 Hex Nut - 3/4"-16 UNF (For Optional .75 U-Bolt)15715-0012 Nonadjustable Radius Rod With Bushing16 See No-Hop Chart E Page 18102 Spring Seat - Replaces rear Spring Seat Only17 See No-Hop Chart E Page 18102 Attach Fitting - Replaces Rear Bottom Plate Only18 See No-Hop Chart E Page 18102 Adjustable Rad.

10 Rod W/Bushing - Replaces 1 adjustableand 1 nonadjustable radius rod on rear axle Per HangerWasher Bushing - Replaces side plate washer 10561-00on fabricated front and center hangers Per Radius RodRadius Rod Bushing Only - 3" Long2137-032 Per RockerHex Lock Nut, 5/8-18 UNF Gr. B (Shipped loose,1 Per Rear Hangernot part of center rock and hanger ass' it is part of rear hanger assembly.)22756-002 Per RockerSleeve Spacer - 3/4 OD x 18 ga. x 3-1/4 Per Rear HangerShipped loose, not part of center rock and hanger ass' it is part of rear hanger assembly.)23759-002 Per RockerHex Bolt - 5/8-18 UNF x 4-1/2Lg., Gr 2 - (Shipped loose,1 Per Rear hanger not part of center rocker and hanger ass' it is part of rear hanger assembly.)2411154-001 Per RockerHex Lock Nut - 1-1/8-7 UNC, GR525837-002 Per RockerWasher - 1/8 x 1-1/4 ID x 2-1/4 OD2616158-01 Fabricated Rocker Assy w/Rubber Bushing (Shown)17784-01 Cast Rocker Assembly w/Rubber Bushing (Not Shown)2718723-011 Per RockerRocker Bushing Only - Rubber2816150-011 Per RockerHex Cap Screw - 1-1/8" - 7 x " Lg.