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122 Posts
Discussion Starter #1
So, I am looking at getting a '96 R72 with pretty low hours that looks like it's in pretty good shape. I was just wondering though, what changes were made to the R72's made in '98 and on compared to the earlier R72's? Is there any reason that I should look for one with those updates from '98 and on instead of the earlier R72's, or is it something not to worry about?

79 Posts
Still looking for a R72? I remember you were looking last spring. I was kind of in the market for a 62 or 72 but with the price of wheat at the moment decided to hold on. Pretty sure in 96 they went to a longer shoe, but from what I understand that is not a capacity limiting issue in small grains.

155 Posts
Later R72's would have had the longer shoe and cummins engines only. 98 and later would be painted I believe, and there are probably more things that I am forgetting changed on the later models.

79 Posts
Copied this from another post I had bookmarked here

• Cummins Engine available
• Belt driven elevators from the top
• All elevators are now the same (R-42 to R-72)
• Elevator speed increased
• 557 feed chains with ½ " hardware
• Feed chains run 20% faster
• Grain bin increased from 200 to 225 bu.(R52)
• '92 machines didn't have long unloader option (R42/R52)
• Torque setting on feed chain clutches increased
• 1 3/4" pivot shaft rather than 1 ½ "
• Heavier feed drum with 6 hole brg. flanges and smaller diameter drum
• False floor in feeder housing
• Wide spaced rasp bar teeth
• All cyl. heads attached to shaft (No floating heads)
• Easy removal of accelerator rolls
• 500 series headers
• High wire concave standard
• 225 H.P. Cummins engine (R52)
• Transmission speeds increased (1st and 2nd) for better 4WD operation
• Grain bin capacity increased to 245 bu. (R52)
• Retractable service lights
• 14.6" longer cleaning shoe
• Shoe speed increased 10%
• 230 H.P. Cummins engine (R52)
• 260 H.P. Cummins Engine (R62)
• Halogen lights without plastic covers
• Split hydro with increased torque
• Bin sample door
• Spin on hydro oil filter
• Adjustable separator grate
• Stronger V.S. header drive belt
• Insulated exhaust pipe
• 800 series headers
• 75th anniversary "Silver Series" painted
• New header control system
• 130 amp alternator
• Relocated turn signal switch
• Availability of long cyl. bars / short discharge paddles
• Flex-drive shafts on grain heads
• U-2 reel available
• Feeder drum wear rings (W-rings)
• Electric concave adjustment available (R-62/R-72)
• New higher output rotary screen fan
• Rotary A.C. compressor
• R62, 285 HP Cummins with electronic governor
• Poly corn head snouts
• High wire separator concave available (R62/R72)
• Exit light, Ext. cyl. bars, Acre estimator, Bin extensions standard 42 to 72
• Hyd. drive straw spreader available (R62/R72)
• 14" unloader available for custom harvesters (R62/R72)
• Remote grease tube for cyl. drive splined shaft
• Ductile cylinder gear box
• New Extremity lighting
• Axle stops are now standard (42/52)
• Introduction of R65/R75
• New cab
• New monitors
• New electronics (Can Bus System)
• Hydro pump mounted behind engine, separate drive belt
• Increased strength on transmission and final drives
• Single point electrical connection for all header functions
• Service platform on RH side of cab
• Electric in cab concave adjust with digital read out
• Electric fan choke adjust with digital read out
• Electric throttle control
• Fine cut chopper available
• Hydraulic single or dual spreader available
• Power mirrors available
• Forward pivot ladder
• Introduction of R55
• ¼” front and rear feeder floors
• Long unloader std. on R55
• Fine cut chopper now standard
• Power mirrors now standard
• Chrome helical bars now standard
• Easy close concave door now standard
• Hi- Wire separator grate now standard (R65/R75)
• R65 power increase to290 hp
• Rear feed shafts increased to 2" and clutch removed
• Feeder pivot shaft increased to 2”
• 3 ½ “ lift cylinder std. 65 / 75

79 Posts
If you or a mod wants to make a post to turn into a sticky it should be done. I spent my fair share of time trying to figure out all the differences in the R series before I came across that tidbit. Would like to give credit to whoever originally posted it.

773 Posts
In the interest of completeness:

Clean grain and return elevator adjustment from the ground
Backup alarm
Revised electronic controls
Longer 14" swivel unloader auger
Rekord chaff spreader (R65/R75)
Controlled Dynamic Flow rotor (CDF) option
Revised power curve on Cummins engine

FieldStar is standard equipment
SISU Tier 3 engine (300hp-R65/350hp-R75)
Improved cooling package for Tier 3 engine
24"CDF rotor with 1/2" cylinder bars for hard threshing small grain areas
Improvements for improved spreader curtain wear

R55 discontinued
Frames painted chassis grey
Default to EZ close rock door
Four strand feed chain front and rear
Feed chains speed increase of 20%
Transmission leaf screens
Improved final drive to S40 on R65 and R75
Increased read feed floor strength
Single point hydraulic and electrical multi-coupler hook up
Changed hydraulics from open center to pressure-flow compensated hydraulics
Auto-Guide offered as an option
Auto-Lube option
Michelin tires offered as an option
Lateral tilt
Chaff spreader (eliminated separate valve)

Lowered feed floor (adding 65 sq. inches more throughput area
Deeper opening of front feeder at pivot point
Pre-drilled holes in cage for field installed 68 degree steep-pitch helical bars
68 degree helical bars field kit
Multi-function hydraulic port (field kit)
Redesigned left-hand main clutch shaft assembly for improved reliability
Improved shielding of yield monitor sensor

R6 series introduction
3 foot longer unloader tube
12" bin-fill auger (9" on prior models)
4.0 bushels per second unloading
Air curtain rotary screen
S2.5 cab (revised steering column)
New optional electric chaffer & sieve adjustment
6 degree inclined cascade pan
Flip-up spreader guard
RWA curtain
New Auto-Guide top dock
AM/FM radio, MP3, Satelllite

Moved straw spreader hydraulics to engine compartment
Added 4" axle risers
Added receiver on rear axle to pull DynaFlex header trailer
Mini slingers/rotary screen improvements
Update main clutch shaft sheave to 4-groove
Added quick disconnect for batteries
68 degree steep-pitch helical standard
Added noise reduction foam
Improved shoe seal
Added greaseless idler bushings to eliminate bearings
Bullet pins on shields
Telemetry ready
Auto-Guide button in cab

2011: R66/R76
Lateral tilt standard
Hydraulic chaff spreader standard

S7 series introduction
Larger 30" diameter processor (6047 sq. inches)
New 30" CDF rotor standard
New 4-section, 17-bar concave
Stone trap standard and simplified
Separator grate incorporated into cage
Chrome helical bars standard
14" diameter unloader standard
Fore/aft lateral tilt standard for DynaFlex
Electrical harness DynaFlex -ready in cab
Longer cylinder drive belt
Synthetic oil in cylinder gearbox
Removed false floor in processor housing
Repositioned latch on rear processor door
Hole for rear feed shaft larger so sprockets can be assembled outside processor
13" cleaning fan with 34% more CFM air volume
Longer shoe belt
Accelerator rolls are 25% larger and lugs increased from 4 to 5
Distribution augers spread and slowed down for better flow
Larger gears
Leaf bullet pins
LED lights in 7 locations
8.4L 6-cylinder tier 4i engine with SCR
Lower shields right and left
LED tail lights
Larger unloader tube cover
3B power band belt for increased horsepower demand
Painted cage
Greased idler chopper and impeller
New optional filler bars
Removed hump in chopper discharge
New chopper drive increased design life 500 hrs to 3000 hrs
Increased clean grain auger diameter from 7" to 8"
Optional power fold grain bin extension 390 bushels
Moved rear ladder switch to outside
Bowed cab glass and new right door seal reducing noise w/corn head to 76.4 dba
Power fold cab ladder standard

Power fold bin extension standard
Beacons standard
Heavier feeder house weldment
HD variable speed header drive 140 hp continuous
Lighter weight feeder house shields
Notch in axle for heavier and larger variable speed belt
Separator drives beefed up 22%-27%
Greaseless main drive idler
Steering lowered 2" for better comfort
Added battery door at ground level
Longer unloader spout 14"
Auto-Guidance plug and play
New optional reversing engine fan to reduce maintenance and for peace of mind

Lowered and deepened clean grain auger sump and lowered cross auger
Simplified clean grain boot
Rear feed conveyor drive to 2B belt from countershaft to rear feed
2 piece robot welded rotor (250 lbs lighter)
Incorporated front ladder and rear harness
New LED shoe light
Extra drop down step on rear engine deck ladder for easier entry
Larger shaft and bearing on rear accelerator roll (increased right bearing from 1 3/8" to 1 1/2")
Guidance ready standard
New feed chain patter for better grab and release of crop
Robot welded hydraulic tank with o-ring
Added clean out door on grain bin auger
Pillow bearing on end of unloader auger
Potentiometer on concave in actuator
4 bolt LTM pin
Thicker paddles on elevator
1000 lb. torque limiter on feeder house drive
Optional smaller chopper drum
Video quad camera display option
Corn stalk guard with variable speed sheave
2" higher RWA axle

2014: S67/S77 offered from Sept-Jan
8.4L 6 cylinder tier 4i engine with SCR

S8 series introduction (S88 first class 8 transverse combine)
8.4L twin turbo charged 6 cylinder engine S68
9.8L twin turbo charged 7 cylinder engine S78/S88
Added door inside engine compartment above batteries
Air deflector door
Optional XR transmission w/ 2 speed hydro propel motor
230 gallon fuel tank
Larger DuraGuard cylinder gearbox
DEF pump relocated
Added Toolbox between DEF and pump
Added handles on rear ladder
Added truck tie downs
Hard plastic paddles on spreader
3 paddle rotor discharge
Header clutch doubled
Polyurethane accelerator roll lugs
3200 RPM high speed chopper with taper sheave at top
AG3000 Auto-Guide w/no GX 45
Optional graphite appearance package

6% increase in speed for clean grain elevator
Common steering control unit 200cc
Filler plates standard
8 5/8" Common feeder house drums
New perforated cascade pan - full pneumatic cleaning shoe 8721 sq inches
Concave options - High wire for all crops and small grain with removable wires
Moved spreader motor back 2" for less wear and better spread
Optional AgLeader yield sensor/monitor for live yield mapping and hybrid mapping
Perforated elevator boot
Separator blank kit.

S9 series introduction
Feeder house floor lowered 1/2" and runners and torque tube raised 1/2" for improved feeding
Rear feed shaft moved forward 1 1/2" and up 10 mm to improve performance of rock trap
Feeder house lengthened 4.8"
Feed drum rings have been added to reduce the chance for rock damage to feed chain slats
New hydraulics for the propel drive and electronics for gearshift and parking brake, eliminating all cables and linkage
Main drive belt is a 4 strand HB section Opti-belt
Hydraulic spreader pump features a closed loop electrical system for constantly monitored speed
Hydro belt increased to a 4 strand V-belt
Gen 2 SmartCooling system
New header lift features proportional value for better control
Impeller pulley now 9 3/4" diameter for higher speed (710 RPM to 940 RPM)
New material for chopper knives for increased life
More openings in separator frame for reduced air velocity allowing more venting to reduce the potential for trash plugging
New bin level sensors to alert operator when bin is 70% and 90% full
New NovAtel satellite receiver resides on the front grain bin extension
New Vision cab 15% more volume 22% larger front glass
New ladder that swivels forward
New integrated step design on the front side of cab for easy access to front window
New 12 cab lights with a high lumen projection
New A/C and climate control system
New steering wheel post
New cooler option
Larger instructor seat
Electric shift and park brake
Programmable light control memory
New radio and speaker option Bluetooth capability
New operator interface Tyton terminal
Telemetry standard
Automatic functions including two memory control speed
7 cup holders
FieldStar Live option

1,226 Posts
I would like to emphasis one "major switch" point that may affect your decision. In 1998 Gleaner switched from the 3 position "spring" AHC to 2 analog sensors for AHC. This means that headers made prior to 1998 are not going to work with combines made after (and vice versa) without conversion (of course this applies only to heads with AHC, mostly flex heads at that point).

The problem would typically lie in having an existing flex head for an older combine that you would want to install on a '98 up combine.
The other typical "interface" issue involves if the reel drive is on the head or from the combine, but I think that was earlier.

472 Posts
The newer it is the more the updates so the greater the cost. If you're only cutting cereal crops there is nothing wrong with a '96. Does it have lateral tilt? That is one thing we needed in our hills when we went wider than the 27 foot header. If you are going to be running a 30 foot then get the lateral tilt. I also liked the 700 series header and how it performed with the taller flighting over the 400 series headers.

122 Posts
Discussion Starter #10
So, I did find another combine that I'm looking at as well. So now it is between a '98 R72 with 3100 sep. hrs, or a '96 R72 with 1900 sep. hrs. The '98 has had a bunch of updates and replaced parts and has been very well taken care of. I know this because I talked to the owner last year about it. As for the '96, I am still finding out the details on it, but it looks like a pretty good machine. They are both listed for the same price, but the plus side with the '98 is that it comes with a header, and the '96 doesn't. What are your thoughts on this? Would the high hours turn you away, or is that not really a factor that I should worry about since the combine has been taken well care of and it has had a bunch of updates and parts replaced on it?

1,226 Posts
I would rather have the combine that has had a bunch of common wear parts replaced than the one that will need that all soon. It all comes down to what's replaced and what needs replacing. I sure wouldn't be scared of any well maintained combine at 3100 hours...the engines etc should run well beyond that. But I'm not a Gleaner expert, so don't know what tends to wear out when.

161 Posts
You should explore every inch of each combine. 3100 separator hours is quite a few. Depending on what crops it cut feeder house might be wore out along with a lot of things.

122 Posts
Discussion Starter #13
This is all that has been done to the '98 combine recently, and it has only been used mostly for wheat harvest.

-Has reverser
-New injectors 1 year ago
-New radiator 3 years ago
-New water pump
-Good alternator
-Newer header floor
-Good brakes
-New concave 1 year ago
-Extra reversing bars
-New bin auger 1 year ago
-Updated feederhouse to make flatter 1 year ago
-Aftermarket rock trap
-New return elevator and chain
-Good distribution augers
-Good accelerator rolls, Turn around when getting worn
-1 season on chrome
-R75 shoe update to make flatter, 2 screen replaced 3 seasons ago
-Good fan
-Clutch shaft bearings replaced 2 years ago
-Feeder chain 2 years old
-Jackshaft bearings good.

472 Posts
In our area most of those updates would be done by 1900 hours also so if they haven't been done on the 96 then it won't be long before it will be needing the same kind of money thrown at it. Also if running in hills I wouldn't turn accelerator rolls as they are the main thing to your capacity, if they are worn then replace them or suffer excessive losses on your hills.

Otherwise are they equipped similar like duals, RWA, lateral tilt? Including the header on the 98 makes it more appealing with the updates done to it.

472 Posts
As long as you are comparing like features is the main thing. You know best what would work in your area. If they run them with no lateral tilt then it may work in your area. In our area everything has a lateral tilt since about 98 when they started using 30 foot headers so I don't know cost of adding or if it is even feasible.

Just to throw something else out an area farmer passed away last summer and had three R72's in the 96 vintage. They are preparing for an auction sale in the next month but I haven't seen a date yet but equipment is being moved to Walla Walla for the sale. I would imagine they are going to be cheap. They did have annual maintenance done to them although not sure how thorough but they were all running at the end of harvest last summer and had a short season as a harvest bee was held for the family and the combines didn't cover as many acres as they were planning on doing.

They didn't have lateral tilt either but have duals and RWA and 25-27 foot headers. It is nearly 500 miles from you so may not be practical though and if you have history on the ones you are looking at then put those at your top priority to look at. Otherwise the auction in Walla Walla I would think will be happening before the end of March. I can let you know when I find out more details and a date but they will most likely need some work before harvest for that vintage but the price may be right.

425 Posts
I will give er a bump in case anyone happens to be looking at gleaners this spring...I have nothing to add though, just to bump it.
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