Predictika · John Deere 8 Series tractor quotes

An AI sales agent's tractor quote, checked before it goes out

An AI sales agent drafts a quote for John Deere 8 Series row-crop tractors: the 8R (wheels), 8RT (two tracks) or 8RX (four tracks), with a chosen undercarriage, transmission, hydraulics, hitch, ballast, precision ag package, financing and discount. Before the quote goes out, the agent sends it to Predictika, which checks it against a declarative model, compares the total and operating weight the agent states with the ones it computes, and returns every finding together with the line-item quote.

Scope: John Deere 8 Series row-crop tractor quotes (8R, 8RT, 8RX): undercarriage fit, hydraulics, hitch, weight, precision ag, financing and discounts. See everything this validator covers

This validator covers quotes for the John Deere 8 Series row-crop tractor line only: the 8R (wheeled), 8RT (two-track) and 8RX (four-track), each built and quoted with its undercarriage, transmission, hydraulics, hitch, ballast, precision ag and financing options. It does not cover other John Deere product lines (7R, 9R, combines, sprayers) or other manufacturers.

  • Chassis and undercarriage fit — wheels or tracks matched to the 8R, 8RT or 8RX chassis, tire or track width against the row spacing (at least 8 in of clearance), and the eAutoPowr EVT transmission, which the 8RT does not offer.
  • Implement, hydraulics and weight — mounted implement weight against the hitch lift capacity, the PTO an implement needs, implement oil flow against the pump, 4 to 8 remote valves (more than 6 need the larger pump), ballasted weight against the tractor limit and the undercarriage rating, and the ballast approval for heavy tillage under 50 kg per hp.
  • Precision ag, financing and commercial terms — RTK correction needing JDLink, the automation package needing RTK, the financing promotional rate not stacking with a discount above 5 percent, lead time against the delivery date the customer needs, discount authority by fleet size (3 percent for a sales rep, 10 percent maximum for one tractor, 14 percent for two or more), and the total and operating weight the agent states.

Any 8R, 8RT or 8RX quote that combines these tractors, undercarriages, hydraulics, implements, precision ag packages, financing and discounts runs through this validator, not just the seven scenarios shown on this page. It is an illustrative model built from public information about the 8 Series; prices, weights, ratings, lead times and discount limits are fictional, and it does not use John Deere's internal rules. It prices the tractor, undercarriage, transmission, hydraulics, hitch, ballast, precision ag and correction subscription only; taxes, freight, trade-ins and John Deere Financial payment schedules are not modeled.

The AI sales agentBuilds the tractor quote from the conversation and says it is ready.
Predictika validatorChecks every rule at once and returns the verdict, each finding, and the computed figures.

7 scenarios in 4 groups · each group runs from the agent’s first attempt to the outcome · click one to switch

What the agent proposes

The AI sales agent says

Illustrative agent statement. The validator receives the structured request below.

Proposing agent: AI sales agent (scripted)

Before sending, the agent must call Recorded run

Predictika validator


      

        
        
        
      

      
Waiting for the call.

      
    

  

  
  

    
Where rules-based CPQ gets it wrong
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Our assessment of what a typical rules-based CPQ (product rules, price rules and validation rules, as in Salesforce CPQ) does with the same cases. It is a judgment about effort and reliability, not a claim that nothing can be built.

    
What the validator caughtTypical rules-based CPQPredictika
Tire or track width against the row spacing, for each undercarriage optionOnly with care
A validation rule on a width field, kept in step with every tire and track option; easy to get right for one option and easy to miss when a new one is added.		Widths and row spacing are data and are checked together on every call.
Ballasted weight against two different limits (the tractor and the undercarriage), where the ballast also changes the priceOnly with care
Two limits and a priced option that all depend on each other; each is a separate rule that has to be kept consistent.		Operating weight, both limits and the ballast price come from the same model in one pass.
Remote valves and implement oil flow against the pump that was chosenOnly with care
The valve limit and the flow both depend on the pump, so a table plus several rules that must all agree.		Pump flow and valve limit are data; both checks run together with the rest.
A financing promotional rate that cannot stack with a larger discount, on top of discount authority that depends on fleet sizeOnly with workarounds
Financing terms and discount approval are usually separate rules, so keeping them consistent takes custom logic.		Financing, discount, fleet size and approval limits are checked in the same pass.
A stated total or operating weight that does not match the computed figuresOnly with workarounds
A validation rule can compare a stated figure with a calculated one only if the stated figure is a field on the quote, which it rarely is.		The stated total and operating weight travel with the quote and are compared with the computed ones on every call.

  

  

    
What this validator catches: findings from its test cases
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Every rule is checked on every call, in any order the choices arrive; one problem never hides another. Blocking findings stop the quote; approval findings need a person to sign off; everything else is computed.

    
1Wheels or tracks that belong to a different chassis than the tractor (8R, 8RT, 8RX).
2Tires or tracks too wide for the row spacing (at least 8 in of clearance needed).
3The eAutoPowr EVT transmission on the 8RT two-track.
4A mounted implement heavier than the hitch can lift.
5An implement that needs a PTO when none is selected.
6An implement that needs more oil flow than the selected pump delivers.
7Fewer than 4 or more than 8 remote valves.
8More than 6 remote valves on the standard pump.
9Ballasted weight above the tractor limit or the undercarriage rating.
10RTK correction without JDLink connectivity.
11The Precision Ag automation package without RTK correction.
12A financing promotional rate combined with a discount above 5 percent.
13Delivery later than the customer needs (tractor lead time plus 8 weeks for the EVT).
14Discount above the maximum for the fleet size (10 percent for one tractor, 14 percent for two or more).
15Discount above the 3 percent a sales rep may give alone (approval).
16Heavy tillage with a ballasted weight under 50 kg per hp (approval).
17The agent's stated total does not match the computed total.
18The agent's stated operating weight does not match the computed weight.

  

  

    
Scenarios and results
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The recorded result of the validator for each scenario on this page: the request the AI agent sent, the verdict, and every finding, in the order they appear above.

    
1. Tires and row spacing: Planter order with wide duals in 30 in rows

    
The agent's request. Please quote 4 John Deere 8R 280 tractors on IF710/70R42 duals with the AutoPowr IVT transmission for Prairie Row Farms, for planting in 30 in rows. Each has the 321 L/min pump with 6 remote valves for an implement that needs 280 L/min, and Precision Ag guidance with SF3 correction for 3 years. The discount is 3 percent and the customer needs delivery in 16 weeks. The quote states a total of $1,999,652.00 and an operating weight of 12,600 kg. It is ready to send.

    
Verdict: Blocked.

    
    
      
  • Tires too wide for the row spacing. The IF710/70R42 duals are 28 in wide and need rows at least 8 in wider; the rows are 30 in apart.
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2. Tires and row spacing: The agent resubmits after fixing the errors

    
The agent's request. Please quote 4 John Deere 8R 280 tractors on IF480/80R50 row-crop duals with the AutoPowr IVT transmission for Prairie Row Farms, for planting in 30 in rows. Each has the 321 L/min pump with 6 remote valves for an implement that needs 280 L/min, and Precision Ag guidance with SF3 correction for 3 years. The discount is 3 percent and the customer needs delivery in 16 weeks. The quote states a total of $1,981,804.00 and an operating weight of 12,600 kg. It is ready to send.

    
Verdict: Allowed.

    
    
      
  • Quote summary. Total $1,981,804.00: tractor $1,753,760.00; undercarriage $69,064.00; transmission $56,260.00; hydraulics $58,588.00; precision ag $34,532.00; subscription $9,600.00.
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3. Hydraulics and remote valves: Four-track tillage order with eight remote valves

    
The agent's request. Please quote 3 John Deere 8RX 410 tractors on 30 in tracks with the eAutoPowr EVT transmission for Bluestem Tillage Cooperative, for tillage with a 15,000 kg drawn implement. Each has the standard pump with 8 remote valves for an implement that needs 400 L/min, and 3,500 kg of ballast. The discount is 3 percent and the customer needs delivery in 30 weeks. The quote states a total of $2,545,959.00 and an operating weight of 24,900 kg. It is ready to send.

    
Verdict: Blocked.

    
    
      
  • Implement needs more oil flow than the pump gives. The implement needs 400 L/min; the selected pump delivers 227 L/min.
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  • Too many remote valves for the pump. 8 remote valves need the 321 or 435 L/min pump; the selected pump supports 6.
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4. Hydraulics and remote valves: The agent resubmits after fixing the errors

    
The agent's request. Please quote 3 John Deere 8RX 410 tractors on 30 in tracks with the eAutoPowr EVT transmission for Bluestem Tillage Cooperative, for tillage with a 15,000 kg drawn implement. Each has the 435 L/min pump with 8 remote valves for an implement that needs 400 L/min, and 3,500 kg of ballast. The discount is 3 percent and the customer needs delivery in 30 weeks. The quote states a total of $2,591,064.00 and an operating weight of 24,900 kg. It is ready to send.

    
Verdict: Allowed.

    
    
      
  • Quote summary. Total $2,591,064.00: tractor $2,205,780.00; undercarriage $193,515.00; transmission $81,480.00; hydraulics $77,697.00; ballast $32,592.00.
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5. Ballast and discount: Heavily ballasted 8RT tillage order

    
The agent's request. Please quote 3 John Deere 8RT 410 tractors on 30 in tracks with the AutoPowr IVT transmission for Cedar Bend Ag Services, for tillage with a 12,000 kg drawn implement. Each has 9,000 kg of ballast and 6 remote valves for an implement that needs 220 L/min. The discount is 8 percent and the customer needs delivery in 24 weeks. The quote states a total of $2,084,904.00 and an operating weight of 27,200 kg. It is ready to send.

    
Verdict: Blocked.

    
    
      
  • Ballasted weight above the limit. Ballasted weight of 27,200 kg is above the tractor limit of 27,000 kg or the undercarriage rating of 30,000 kg.
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  • Discount needs approval. Discount of 8 percent is above the 3 percent a sales rep may give alone.
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6. Ballast and discount: The agent resubmits after fixing the errors

    
The agent's request. Please quote 3 John Deere 8RT 410 tractors on 30 in tracks with the AutoPowr IVT transmission for Cedar Bend Ag Services, for tillage with a 12,000 kg drawn implement. Each has 8,000 kg of ballast and 6 remote valves for an implement that needs 220 L/min. The discount is 8 percent and the customer needs delivery in 24 weeks. The quote states a total of $2,076,072.00 and an operating weight of 26,200 kg. It is ready to send.

    
Verdict: Needs approval.

    
    
      
  • Discount needs approval. Discount of 8 percent is above the 3 percent a sales rep may give alone.
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  • Quote summary. Total $2,076,072.00: tractor $1,827,120.00; undercarriage $122,820.00; transmission $40,020.00; hydraulics $15,456.00; ballast $70,656.00.
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7. Precision ag, delivery and stated total: Automation package order with a stated total

    
The agent's request. Please quote 6 John Deere 8R 340 tractors on IF900/60R42 singles with the e23 PowerShift transmission for Harvest Plains Growers, for planting. Each has the Precision Ag automation package with SF3 correction for 2 years. The discount is 0 percent and the customer needs delivery in 10 weeks. The quote states a total of $3,253,200.00 and an operating weight of 14,200 kg. It is ready to send.

    
Verdict: Blocked.

    
    
      
  • Automation package needs RTK correction. The Precision Ag automation package needs RTK correction.
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  • Delivery later than the customer needs. Lead time is 12 weeks; the customer needs delivery in 10 weeks.
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  • Stated total does not match. Stated total does not match: the agent stated $3,253,200.00; the validator computes $3,381,600.00.
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Narration transcript
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The text of the narrated walkthrough, step by step.

    
    
      
  1. Welcome to a demo of Predictika's Validator. An AI sales agent drafts a quote for John Deere 8 Series row-crop tractors: the 8R (wheels), 8RT (two tracks) or 8RX (four tracks). Before the quote goes out, the agent sends it to Predictika, which checks it against a declarative model, compares the total and operating weight the agent states with the ones it computes, and returns every finding together with the line-item quote.
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  2. I will start with the first request by the agent.
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  3. The agent says. Please quote 4 John Deere 8R 280 tractors on IF710/70R42 duals with the AutoPowr IVT transmission for Prairie Row Farms, for planting in 30 in rows. Each has the 321 L/min pump with 6 remote valves for an implement that needs 280 L/min, and Precision Ag guidance with SF3 correction for 3 years. The rest of the request is on screen.
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  4. Before it goes out, the agent calls the validator.
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  5. Blocked, with one finding, all in one answer. The IF710/70R42 duals are 28 in wide and need rows at least 8 in wider; the rows are 30 in apart.
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  6. The validator returned one blocking finding in one answer. A check that reads one field at a time would pass most of this; it shows only when the choices in the quote are checked against each other.
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  7. What this shows: for tire or track width against the row spacing, for each undercarriage option, a rules-based CPQ is error-prone for this.
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  8. Now the agent resubmits.
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  9. The corrected request.
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  10. It calls the validator again.
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  11. This time the validator clears it.
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  12. The validator also returns the line-item quote. It starts with John Deere 8R 280 and IF480/80R50 row-crop duals; the other five lines are on screen.
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  13. The earlier finding is cleared, and the validator's total, $1,981,804.00, matches the quote.
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  14. One problem caught in one call, fixed in one pass, and a clean quote. That is the value of Predictika's validator: catching mistakes before they reach the customer. Now you can try the other scenarios yourself.
    15.