Bolt- Rotating S(urface- Auto- Damping Towing D- Tongue Eye Sectional Eye<->bumper Max thickness Rear Diameter Beak-height Angle of Weight EU-certified Greaseable pattern (+/- means mount)/ latch R(ubber) load value load diam. diameter distance of support protrusion for (distance movement lock switch P(rotruding) C(oil)S(pring) [kg] (D/Dc) (S- (76mm (measured at member (behind protrusion eye<->bottom (X/Y/Z-axis) or (option)) A(ir!) (V- value) WNNO) *rear* of (in case of support beak) (pitch/swivel/tilt) value support protrusion) member) [for (up-down/side/twist) [kN]) member when clearance [based on 76mm eye] protruding!) below] Manufacturer XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX Dixon-Bate (=UK) Towing Jaw 5T 85x45 - S - - 5.000t 22.66kN 250kg 40-76 57.2 - - (#201910, 4-bolt) / (the 2-bolt 3.5t #201661 will NOT fit NATO eyes, only smaller/DIN! (nor will any of their ball/pin combinations) Light pintle 85X45 +/- S - - 4.075t 17kN 75kg 75(?) 38/41mm 109.5mm - - - 7.26kg -(but German TUV!) + (#FV987958) (44.5mm max) Heavy pintle 101.6X101.6 +/- S - - 7.640t 83.4kN 140kg 75(?) 38/41mm -(but Australian FORS!) + (#FV987957) ((CRN)16635) (one can add damping (vertical-only, coil+rubber) to any coupling (with bolt-pattern 85x45mm), by mounting the Dixon-Bate Shocklink inbetween (Mark-II up to 2800kg GVM, original/Mark-I/commercial for larger vehicles) Holland (SAF-Holland) Pintle hooks: PH-T-60-AL 50.8-76.2 31.75-41.4 PH-775-SL11/SL21 76.2 41.4 PH-30RP41 50.8-76.2 31.75-41.4 Couplers: CP-400-GSE 62-76.2 31.75-41.4 CP-740 76.2 41.15 Airport handling: E-HITCH 31.75(?)-76.2 42.9 (not for road use) Ringfeder (=VBG/Sweden) (see also Uniphon) RUwg K0D 83x56 +/auto-reset(!) P + -(!) 2.5t 12.5kN 100kg 45mm 105mm unlimited 70mm 54mm 8kg +(!) +(?) RUwg K1D 83x56 + P + R 5.0t 42kN 400kg ? 142mm 153mm 74mm 17kg + - RUwg K2D 120x55 + P + R 6.5t 75kN 700kg ? 205mm 148mm 84mm 30kg + - RUwg K3D 140x80 + P + R 9.0t 96kN 950kg ? 220mm 155mm 94mm 35kg + - RUwg K4D 160x100 + P + R 12.0t 130kN 1300kg ? 220mm 155mm 94mm 36kg + - ('wg' means 'wartungsarm' & 'gedämpft' (= 'maintenance-low' & 'dampened')) RU K5 DV 160x100+220 + P + -(!) 16.0t 390kN 4000kg ? ? + + (6-bolt) 663 K1D 120x55(!) + P + R(single!) ? 60kN 850kg ? 150mm +/-45mm 150mm 74mm 45(+/-3)/90/360 ? - 663 K4D 160X100 + P + R(single!) ? 130kN 3000kg ? 165mm +/-45mm 205mm 94mm 45(+/-3)/90/360 ? - (see Uniphon) (old series) RU K0D 83x56 +/auto-reset(!) P + - 1.0/1.25t 60kg/100kg 45mm 115mm 12mm/unlimited 70mm 54mm 45/90/360 8kg + + RU K1D 83x56 + P + R(!)(single direction?) 2.0t 122mm 15mm-min 165mm 54mm 45/90/360 17kg + - RU K2D 120x55 +/auto-reset(!) P + - 6.0t 197mm 15-70mm 136mm 74mm 45/90/360 30kg + + RU K3D 140x80 +/auto-reset(!) P + - 9.5t 950kg 197mm 15-70mm 136mm 84mm 45/90/360 31kg + + RU K4D 160x100 +/auto-reset(!) P + - 13.0t 197mm 15-70mm 136mm 94mm 45/90/360 32kg + + RU K5D 160x100+220 +/auto-reset(!) P + - 39.0t 230mm 45-75mm 180mm 99mm 45/90/360 55kg + + (6-bolt) (models RU K2D, K3D and K4D are identical, only their flanges/bolt-patterns are different (easy/cheap conversion!)) (models RUwg K3D and K4D are identical, only their flanges/bolt-patterns are different (easy/cheap conversion!)) (note that unlike Typ RU, model RUwg K2D does *not* share this compatibility sadly, identified by M36-nut instead of M45 with K3D/K4D!) (models RUwg K0D, RU K2D, K3D, K4D and K5D have a ball+spring loaded pivot construction, automatically rotating back to default horizontal position, up to an initial maximum of +/- 30 degrees (it can still rotate the full 360 degrees, but beyond +/- 30 degrees no more automatic 'reset'!) (note that damping/rubber-friction is used *instead* of this mechanism, so it is either/or!) (models RU(wg) K1D-K5D allow disconnect under load by putting a lever between eye and top T-handle!) 65 G/125 83x56 + P - R 10t 25kN 250kg 76+95 55mm 150mm 15mm 155mm 54mm +45-?/90/360 14kg - - 65 G/135 120x55 + P - R 15t 70kN 700kg 76+95 55mm 180mm 35mm 150mm 74mm 17kg - - 65 G/140 140x80 + P - R 20t 95kN 1000kg 76+95 55mm 185mm 35mm 172mm 84mm 25kg - - 65 G/150 160x100 + P - R 25t 140kN 1000kg 76+95 55mm 192mm 35mm 165mm 94mm 27kg - - (models G/140 and G/150 are identical, only their flanges/bolt-patterns are different (easy/cheap conversion!)) K6 160x100+220 - S - - 56t ? - - (6-bolt) 624 101.6x101.6 +/- S - - 12t Rockinger (=Jost/Germany) RO205 - S - - 40+50+76 - RO207 - S - - 40+50+76 - RO208 - S - - 40+50+76 - RO230 - S - - 40+50+76 - RO231 (231A05000) 86x45 - S - - 25kN 250kg 40+76 - (231A05090) 86x45 - S - - 25kN 250kg 40+76 - (231A05530) 86x45 - S - - 20kN 150kg 40+76 - (231A11000) 83x56 - S - - 25kN 250kg 40+76 - (231A11530) 83x56 - S - - 20kN 150kg 40+76 - RO232 (232A04001) 86X45 +(/-) S - R 40kN 300kg 40+76 - (232A04531) 86X45 +(/-) S - R 40kN 300kg 40+76 - (232A04501) 86X45 +(/-) S - R c3.2t 31kN 300kg 40+76 + (232A06) 101.6X101.6 +(/-) P - R 40kN 300kg 40+76 - (232A11) 83X56 +(/-) S - R 35kN 250kg 40+76 (40mm = DIN & CH) RO283 120x55 + P - R 800kg 43.8mm 140x80 + P - R 1000kg 43.8mm 160x100 + P - R 1000kg 43.8mm RO285 120x55 + P - R 140x55 + P - R RO383U135? 120x55 + P + ? HK85/G135 120x55? + P - R 16.0t 800kg 49mm 165mm 23.5mm 125-130mm 90mm +45-135/90/360 - - (= predecessor of RO-283) (based on 76mm eye) (= successor & improvement (rubber dampened) of solid Wechmar HK85 (DDR-company, taken over by Rockinger)) SK10D 120X55 - s (-) - ? (the vertical pin itself has two locking/latching systems, 1x on top/handle, 1x on the bottom) Uniphon (=Swedish-military rebranding of Ringfeder) (211A/K1D = Ringfeder Typ 663 K1D) (211D/K2D = Ringfeder Typ RUwg(!) K2D (only security-latch/lever is different)) (221A/K4D = Ringfeder Typ 663 K4D) 211A (K1D) 120x55 + P + R(single!) 5.0t 60+ 41mm 19kg 211D (K2D) 120x55 + P + R 6.5t 700kg 60+ 41mm 30kg + 221A (K4D) 160x100 + P + R(single!) 17.0t/50.0t 70+ 41mm 38kg 212A 120x55 + P - - 3.0t 60+ 41mm (single=effective during pull only?) V. Orlandi (= Italy) Ball/pintle combination: DE700 83x56 - S - - 31/31kN 340kg 76 +(!) DE701 90 - S - - 31/31kN 340kg 76 +(!) Ball/bolt combination: DE702 90 - S - - 10.3/17.2kN 120kg 40/50/76 +(!) DE704 83x56 - S - - 40/50/76 +(!) UN 76 UN 761 83x56 + P - R 15kN 27/21kN 350kg 76 106mm 30mm 102mm 60(!)/90/360 + UN 763 120x55 + P + R 18kN 70/54kN 700kg 76 182mm 35mm 161mm 60(!)/90/360 + UN 764 140x80 + P + R 25kN 100/70kN 900kg 76 182mm 35mm 161mm 60(!)/90/360 + UN 766 160x100 + P + R 50kN 190/103kN 1500kg 76 215mm 35mm 212mm 60(!)/90/360 + (autoreset between +/-40 degree) UN 45 UN 450 83x56 - S - - 31/31kN 340kg 45+76 3.8kg +(!) ULPYO UN00100 83x56 - S - - 3.5t 200kg 45+76 79mm 5.5kg +(!) UN00200 68x70(!) - S - - 3.5t 200kg 45+76 79mm 5.5kg +(!) UN00300 100x60(!) - S - - 3.5t 200kg 45+76 79mm 5.5kg +(!) UN00400 120x55 - S - - 3.5t 200kg 45+76 79mm 5.5kg +(!) UN00500 85x45 - S - - 3.5t 200kg 45+76 79mm 5.5kg +(!) Wallace Forge Ball/pintle combination Rigid - S - - Swivel + P - - BP100A + P - CS BP225 + P - CS BP760A + P - - P45AC4 - S +/- - (air pressure latched) R-40 TON 5x5"+7" - P A(!) (6-bolt) R-45 10-bolt(?) - S - R-45-A10 10-bolt(?) +? P A(!) R-45-A4 - S - R-45-8 - S - R-45-8/air +? P A(!) Wechmar (DDR-company, taken over by Rockinger) HK85/Grosse 0 83x56 HK85/Grosse 1 120x55 HK85/Grosse 2 140x80 HK85/Grosse 3 160x100 HK68 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX (non-automatic means (note that grease is incompatible bare/narrow/slender with rubber spring/damper!) hook; automatic means wide/full-size jaw) (note that Swiss law requires rubber suspension for towing weights above 3500kg) Bolt pattern variations, width x height: 83x56mm ('DIN', German/Mercedes/etc) (diameter protrusion hole 55mm) 85x45mm ('Japan', UK, USA, Australia) 101.6x101.6mm (UK/truck/military) (=4x4") 68x70mm (according to V.Orlandi/IT) 90x50mm (Bremach/Pommier-Attelages(FR)) 100x60mm (according to V.Orlandi/IT) 120x55mm (diameter protrusion hole 75mm) 130x30mm (agricultural? / 'Rockinger Kleinschlepper') 140x80mm (diameter protrusion hole 85mm) 150x33mm (agriculture?) 160x100mm (diameter protrusion hole 95mm) 160x100+220 (Ringfeder RU K5 & K6, 160x100mm (4 bolts) plus 2 bolts at 220mm distance) (diameter protrusion hole 100mm) [typical for many heavy tanks!] 5x5+7"(Wallace Forge, 5x5" (4 bolts) plus 2 bolts at 7" distance) Russian pintle classifications, according to the Russian/German book 'Militärkraftfahrzeuge'/Antonow: T-3: 3 ton T-12: 12 ton T-20: 20 ton T-40: 40 ton T-100: 100 ton (other documents, refering to GOST 2349-54 also mention T8 and T16....?) 'Modern' beak-size: 44.5 +1.5mm Older generation beak-size ranged from 52mm to 60mm (matching ring-eye section diameters of 50mm and 55mm!) Russian bolt patterns (from Russian document copies provided by Ringfeder): T1: 83x56mm T2: 120x55mm T3: 140x80mm T4: 160x100mm T5: 330x110mm (diameter protrusion hole 115mm) Matching ring eyes: T1-T4: 90 +0.7/-1.2 x 42 +1.2/-0.6 T5: 90 +0.7/-1.2 x 45 +1.2/-0.6 (later documentation changed coding to 'T0-T4' instead of 'T1-T5') Eye dimensions, inner diameter x section diameter: ('disk' has cylindrical hole, 'ring' means toroidal shape (= cylindrical section) 25mm? (disk) 30mm (disk) 35mm? (disk) 40mm (disk/DIN/BRD-military) 40mm (ring/CH?/BRD?) (section dimensions: 30mm tall, 25mm wide? (=oval shape?)) 45mm (ring, 31mm section diameter, according to V.Orlandi (IT) / 'Italian eye', acccording to BPW) 50mm (disk) 50mm (ring/SE?, 50.8mm eye diameter (2"/UK-USA?), section diameter 25.5mm) 57,5mm (disk/SE-norm) 68mm (ring/FR, same section diameter as Nato, 41.2mm (according to V.Orlandi (IT) 68x42mm! (hence up to the maximum margin of 41.2 +/- 0.8mm)) (according to UN/ECE document #55: 68mm +1.6/-0.0 x 41.2mm +/- 0.8mm) 76mm (ring/Nato; 3", according to Ringfeder Typ 65 catalog: 76.2mm +/- 0.8 x 41.2mm +/- 0.8) 77mm (disk?, French, according to BPW-catalog http://www.bpw.de/download/broschueren/data/BPW-PKW-1173401d.pdf (page 131/156)) Russian: 90mm (ring, T1/T2/T3/T4 ('matching' Ringfeder K1D/K2D/K3D/K4D, 90mm (+0.7/-1.2) x 42mm (+1.2/-0.6)) 90mm (ring, T5 ('matching' Ringfeder K1D/K2D/K3D/K4D, 90mm (+0.7/-1.2) x 45mm(!) (+1.2/-0.6)) 90mm (ring-disk, oval shape, non-perfect-toroidal section; front eye shape is circular (R=45mm), rear is squarish, front section is tapered square/trapezoid, front section diameter is 35mm (R=12mm front, R=6mm rear), rear section diameter is 40mm) 90mm (ring, section diameter 45mm(!)) 95mm (ring, section diameter 50mm(!) (according to Ringfeder Typ 65 catalog: 95mm +/- 1 x 50mm +/- 1) 95mm (ring, section diameter 55mm(!) (would probably not fit Ringfeder Typ 65) Requirements according to NATO/STANAG 4101 / VG 74 059 / ECE R55 class L, freedom/articulation/angle of movement: X-axis/Pitch/Up-down/Vertical: +/- 40 degree Y-axis/Swivel/Side/Horizontal: +/- 81 degree Z-axis/Tilt/Twist/Axial: 360 degree Note that the freedom of movement for 50mm ballhead (as well as civil jaw/bolt/DIN) is much less: X-axis/Pitch/Up-down/Vertical: +/- 20 degree Y-axis/Swivel/Side/Horizontal: +/- 90 degree Z-axis/Tilt/Twist/Axial: +/- 25 degree However, also note that the official *civil* specification for the pintle/eye, according to ECE/UN(!) regulation #55, is partly *less* than ball/jaw(bolt/DIN): X-axis/Pitch/Up-down/Vertical: +/- 40 degree Y-axis/Swivel/Side/Horizontal: +/- 90 degree Z-axis/Tilt/Twist/Axial: +/- 20 degree(!) Background: otherwise the *rigid* (non-rotating) couplings could probably never be certified, having too much play....now they can....:)) (see also.... http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=CONSLEG:1994L0020:20070101:EN:PDF ....for EU-requirements (20/90/25 degree for DIN-eye), including coupling/uncoupling margins (6/50/6 degree for DIN-eye) (starts at paragraph 3 / page 25) (see also paragraph 2.1.1 / page 56 for coupling-height & excemption for offroad vehicles) Adjustable beam configurations on German trailers (military & civil), by using a multi-segment/multi-joint beam with toothed interface: Old type (available as BWP ZVSN0 2700 / F100 (max total weight trailer 2700kg, max vertical load 140kg / Type A): Bolt size: 32mm Number of teeth: 37 Outer diameter teeth: 91mm Old type/Hahn (1200kg trailer weight, 150kg tongue weight) Bolt size: 20mm Number of teeth: 37 Outer diameter teeth: 80mm Inner diameter teeth: 55mm New type (available as BWP 2300127-1850000 / ZIP BG 70007 / approval ZTPBG70007 (max total weight trailer 4000kg, max vertical load 135kg / Type A): Bolt size 38mm Number of teeth: 43 Outer diameter teeth: 120mm Inner diameter teeth: 80mm K6: http://www.ringfeder.de/php/index_main.php3?area=1&search=1&id=01-01-04-03&leaf=1&lang=en 90x50mm (Bremach/Pommier-Attelages(FR)): http://www.viermalvier.de/ubb_portal/ubbthreads.php/topics/267320/Re_hartere_federn_hinten_OHNE_ (apparently *not* just a double set of 'civil' 90mm bolt patterns (using only 2 bolts)) Volvo C306/firefighter civil tow brackets platform: ball height platform height ball distance height difference (measured from (measured from ball <-> center of center lowest bolt) vertical plane) 120x55 pattern xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx KBN-713 10.5 19.5 18 (19.5 - 10.5 + 2.75 = 11.75) BDD-920 10 14 17.5 (14 - 10 + 2.75 = 6.75) AME-183 10.7 15.5 18 (15.5 - 10.7 + 2.75 = 7.55) xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx Trailer-side beam couplings, bolt patterns: - Moelven 58A / Bandvagnskärra 1922: bolt pattern 'cross' (1x vertical, 1x horizontal), 50mm bolt-to-bolt distance, 50mm outside diameter - HMK M/92: bolt pattern 2x horizontal, 50mm bolt-to-bolt distance, 50mm outside diameter Winterhoff trailer-side beam couplings for 60mm ball: - WW 300-H: bolt pattern 'cross' (1x vertical, 1x horizontal), 50mm bolt-to-bolt distance, 50mm beam diameter - WW 300-W: bolt pattern 2x vertical, 115mm bolt-to-bolt distance, 70mm beam diameter (so to connect a HMK M/92 to 60mm ball you need an adapter to mount the WW 300-W, a pipe about 20cm long, with 70mm outside diameter and 50mm inside diameter, hence a (very beefy!) 10mm wall-thickness) BPW page 131/156, 3 types of NATO eyes: xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx http://www.bpw.de/download/broschueren/data/BPW-PKW-1173401d.pdf xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx (boltpattern 'cross', 50mm bolt-to-bolt distance, shaft external diameter 40.8mm (2000kg), 45.8mm (2900kg), 51.8mm (3500kg)) (also note the French eye coupling with 77mm internal diameter!) http://www.hogi99.de/_py_a-99992104-737-205-2054-0-0-0/"> (NATO eye with 45mm internal shaft diameter, bolt-pattern 'cross', 3500kg and 12.5mm/M12 bolt holes) http://www.hogi99.de/images/produkte/99992104---1.jpg (Drawing of the above NATO eye @Hogi99.DE) http://www.hogi-filter.de/_py_Ersatzteile-Anhaenger-Zugkugelkupplungen-Zugoesen/c-737-205-2054-0-0-0/ (NATO eyes, short/slender & long/beefy, plus eye locks) (not sure whether also matching NATO eye? (the shown discus-lock itself is smaller than 76mm!)) http://www.bpw.de/produkte/nfz/data/BPW_Verbindungseinrichtungen_2009.pdf (BPW trailer-side coupling-beams, including the 68mm military ring eye (page 52/64)) http://www.filemeta.com/nl/vg%2074059-pdf-page1.html http://www.jupojostechnika.eu/zinynas/tema%20Sukabin/Orlandi_itaisai_EN_DE.pdf http://forum.terrangbil.net/forum_posts.asp?TID=6146 http://translate.googleusercontent.com/translate_c?hl=en&ie=UTF-8&sl=sv&tl=en&u=http://forum.terrangbil.net/forum_posts.asp%3FTID%3D6146 Clamp-on unit for 50mm ball: http://heckpack.wabo-copy.de/product_info.php?cPath=23&products_id=138 Warning note about the automatic closing mechanism, possibly dangerous for (children's) fingers: http://www.offroad-freunde.de/offroad2/showthread.php?t=513&page=3 EU-document (multiple languages!) covering all types of couplings, including NATO pintle, including the note that *manual* pintles are only allowed up to 3500kg (see Chapter 10.1.2./page38!: http://eur-lex.europa.eu/Result.do?code=42006X1227%2802%29R%2801%29&Submit=Search&RechType=RECH_celex&_submit=Search (check option box 'all languages'!) (the PDF-version contains pictures, the HTML-version does not!) (also note that there is no Class mentioned for the boltpattern 45x85mm, only 90mm & 56x83mm and larger! (Chapter 10.5)) Agricultural coupling Piton-Fix: http://www.gkn-walterscheid.de/produkte/anhaengetechnik/piton-fix/ Notes on the Dixon-Bate jaw/bolt hitches, with only one of them fitting the NATO eye, and even that not very safe & sound: http://forums.lr4x4.com/index.php?showtopic=4924 (note that the 'hybrid' models where the pintle closes on top of the ball *do* fit the NATO eye!) (like V. Orlandi) 2"-square system ball/pintle combination with internal PolyUrethane *cushioning*: http://www.etrailer.com/Ball-Mounts/Convert-A-Ball/PH2.html NB: Ball 60mm = 2,3622" Ball 2-5/16" = 2,3125" = 58,7375mm (so a 60mm coupling would easily fit a 2-5/16" ball!) Nifty 'flexible' hook-up concept, for normal balls: http://www.etrailer.com/Ball-Mounts/Convert-A-Ball/CAB-LD4.html More multi-ball/pintle combo's: https://www.teleswivel.com/page?name=Towing%20Accessories