Model 1 – Red machine
Manufactured before March 1967
- Not level lift
- IH gearbox – gearbox is mounted on top of pulley
- 1 1/4″ rotor shaft and bearings
- Unable to pivot wheels
- 3m (10′) – 3.9m (13′), fixed towbar
Model 2 – Red machine
March 1967 to April 1969
- Level lift
- IH gearbox – 3 groove pulley on top of gearbox
- 1 1/4″ rotor shaft and bearings
- Able to pivot wheels
- 3m (10′) – 3.9m (13′), fixed towbar
Model 3 – Red machine (April 1969)
April 1969 – 3.9m (13′) Machine no. 69113
3m (10′) Machine no. 69X45.
- Level lift
- IH gearbox 3 groove pulley on top of gearbox
- 1 1/2″ rotor shaft with cast housing regreasable bearings
- Able to pivot wheels
- Optional extra 16″ rims fitted to standard HT Holden pattern hub
- 3m (10′) – 3.9m (13′), fixed towbar
Model 3 – Red machine (Major alterations)
- Altered pivoted axle degree of angle after 08/09/75.
3.9m (13′) Machine no. 75667 – 3m (10′) Machine no. 75X317 - Optional extra 16″ rims now available on heavy duty stubs with 5 stud pattern after 15/07/80.
- 3.9m (13′) Machine no. 801457 – 3m (10′) Machine no. 80X453
Model 4 – Red machine (March 1985)
March 1985
– 3.9m (13′) Machine no. A852543
– 3m (10′) Machine no. A84X532
3.9m (13′), 4.6m (15′) and 5.4m (18′) only. 3m (10′) remain same as model 3.
- Level lift bellcrank – model 4
- New heavy duty gearbox – 4 groove pulley on gearbox
- 1 1/2″ rotor shaft with cast housing regreasable bearings
- Altered degree of angle on pivoting stubs
- New pivoting towbar 3.9m (13′), 4.6m (15′) and 5.4m (18′)
- Jockey wheel 6.00 x 9
- Wind up stand
- 3.9m (13′) machine can be built up to 5.4m (18′)
Model 5 – Red machine (February 1986)
February 1986 – 3.9m (13′) Machine no. AA86
3.9m (13′), 4.6m (15′) and 5.4m (18′) only. 3m (10′) remain same as model 3.
- Level lift bellcrank – model 4 and 5
- Heavy duty gearbox – 4 groove pulley on gearbox
- 1 1/2″ rotor shaft with cast housing regreasable bearings
- Altered pivoted axle, degree of angle – model 5
- 3m (10′) fixed towbar jockey wheel frame – model 4 and 5
- Pivoting towbar 3.9m (13′), 4.6m (15′) and 5.4m (18′)
- Height adjustable tow tongue
- Wind up castor jockey wheel, 6.00 x 9 wheel
- Wind up stand
- 3.9m (13′) machine can be built up to 5.4m (18′) machine
- 4.6m (15′) bolt on extension capable of windrowing (lighter crops)
- Walterscheid PTO standard from machine no. WAA882875
Model 6 – Green machine (August 1992)
August 1992 – 3.9m (13′) Machine no. WG 92 001
– 9.45m (31′) Machine no. WG 92 (1) 002
The number (1) as the third digit in the machine number indicates that the machine was fitted at the factory with a 1000 rpm gearbox with a 1.53:1 ratio.
The number (2) as the third digit in the machine number indicates that the machine was fitted at the factory with a 1000 rpm gearbox with a 2:1 ratio.
If there is no number then the machine was originally fitted with a 540 rpm gearbox with a 2.54:1 ratio.
- October 1992 – Axle legs made 25mm (1″) longer
- Level lift bellcrank – Model 6
- Heavy duty gearbox – 4 or 5 groove pulley on top
- 1 1/2″ rotor shaft with cast housing regreasable bearings
- Altered pivoted axle degree of angle – Model 6
- 5 stud pattern 16″ Landrover rims and hubs as standard until 11/09/98
6 stud pattern 16″ Sunraysia rims and hubs as standard after 11/09/98 - Pivoting towbar 3.9m (13′) to 9.45m (31′)
- Height adjustable tow tongue
- Auto levelling castor jockey wheels 6.00 x 9 (2 of)
- Wind up stand
- 3.9m (13′) machine can be built up to 9.45m (31′)
- 4.6m (15′) and 5.4m (18′) bolt on extension capable of windrowing (lighter crops)
- Walterscheid PTO’s standard
- Lifting 8″ ram and hoses fitted standard
- Trunnion ram to towbar fitted standard
- 540 or 1000 rpm gearbox
- Full safety covers fitted
- 20/05/95 – special rubber guards standard
- 08/04/95 – Ratchet on inside jockey wheel (standard)
- 17/12/98 – Barrel Bush full weld
- 26/2/99 Lazer cut Barrel plates
- 21/09/00 – Pulley Disc. Belt Guide (standard) gusset
Model 6 – Major Alteration (one) 2001
- 04/07/01 – WGO1505 New pivoting towbar + new jockey wheel + new axle leg pivot
- 21/05/02 – WG02536 barrel bolt in parallel shafts
- 09/02/04 – WG04586 new depth stop Plate
- 07/10/05 – Turnbuckle length increase
- 07/12/06 – SPCX special vee belts on 31 ft machines
- 07/10/06 – Bellcrank from 1 1/2″ dia to 1 5/8″ dia
- 29/10/07 – Main 2 x C156 vee belts
and 2 x C152 vee belts changed to 4 x C154 vee belts
Model 6 – Major Alteration (two) 2012
- 2012 – New gearbox housing change
- 2012 – New jockey wheel rim 5 stub.
- 2014 – Heavy Duty GB13 Gearbox 540 or 1000 Rev (New input Shatt)
- 2014 – New Wheel Domes
- 01/06/15 – New Heavy Duty Rams
